| Buy from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Jackson | MS | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | nc machine screw nut | 256758 | 
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| Jackson | MS | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nc machine screw nut 18-8 304 .25 wafx.094 thick | 1144 | 
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| Jackson | MS | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nc acorn nut 18-8 s/s | 200 | 
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| Jackson | MS | Machine Screw Nut | Brass | Plain | #4-40 | nc machine screw nut | 1261 | 
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| Jackson | MS | Machine Screw Nut | Brass | Plain | #4-48 | nf machine screw nut | 1062 | 
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | nc insert locknut ne | 1815 | 
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| Jackson | MS | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | 4-40 nc keps lock nut | 13463 | 
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| MESAFAST | CA | Self-Clinching Nut | Steel | Zinc/Clear | #4-40-2 | 4-40-2 self clinching nut (.056 panel thickness) steel zinc | 1,000.0 | 
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| Endries | WI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 flexloc microsize 18-8ss | 1446 | 
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| Endries | WI | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 3/16 | 4-40 3/16 width across flats 18-8 s/s steel 1/16 thick small pattern hex machine nut | 384 | 
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| Endries | WI | Knurled Nut (Thumb Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/4 | 4-40x1/4 18-8 s/s steel knurled thumb nut | 50 | 
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| Endries | WI | Self-Clinching Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 s/s self-clinching flush nut | 1000 | 
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| Endries | WI | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 small pat hex m/s nut 18-8ss | 4423 | 
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| Endries | WI | Plate Nut (Nutplate, Floating Anchor Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x .040 | 4-40x.040 floating clinnch nut 18-8 304 | 300 | 
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| Endries | WI | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 18-8 s/s steel low crown acorn nut 1/4 width across flatsx1/4 height | 3583 | 
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| SWACO | OH | Self-Clinching Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nut clinch 4-40 stainless steel | 4200 | 
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| SWACO | OH | Self-Clinching Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 | nut clinch 4-40 shank 0 stainless steel passivated | 450 | 
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| SWACO | OH | Self-Clinching Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nut clinch 4-40 stainless steel | 5460 | 
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| SWACO | OH | Self-Clinching Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nut clinch 4-40 stainless steel | 7180 | 
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| SWACO | OH | Self-Clinching Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | miniature nut clinch 4-40 stainless steel | 1000 | 
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| SWACO | OH | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 | nut clinch 4-40 steel zinc plated | 500 | 
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| SWACO | OH | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 | nut clinch 4-40 steel zinc plated | 1874 | 
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| SWACO | OH | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 | nut clinch 4-40 steel zinc plated | 2405 | 
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| MTP | CA | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | #4-40 | # 4-40 18-8 s.s hex m/s nuts | 1,700 | 
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| MTP | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium | #4-40 | # 4-40 cad flex-lock nuts | 200 | 
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| Cal Fastenrs | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hex nylok nut low profile 18-8 304 nylon lock nt 4CNNE3/LOW | 60 | 
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| Cal Fastenrs | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | #4-40 | hex nylok nut low profile i see 4cnnez/cr3low 4CNNEZ/LOW | 100 | 
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | nylon lock nut micro # 0700440ln 4CNNEN | 800 | 
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| Cal Fastenrs | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Clear | #4-40 | flex lock nut 21fa-440 | 893 | 
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| Cal Fastenrs | CA | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 | 4-40 hex m/s nut - 18-8 304 / hex m/s nut | 2,500 | 
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hex nylok nut 18-8 304 nylon ins l/n 4CNNE3 | 10,880 | 
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| Cal Fastenrs | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Yellow | #4-40 | kep nut Cr3+ kep nut | 3,000 | 
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | hex nylok nut Cr3+ nylon insert lock nut- rohs compliant 4CNNEZ/CR3 | 540 | 
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| Cal Fastenrs | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | kep nut Cr3+ kep nut cr3 | 3,019 | 
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| Cal Fastenrs | CA | Machine Screw Nut | Steel | Zinc/Yellow | #4-40 3/16 | hex small pattern m/s nut Cr3+ ms nut 3/16 hex | 7,775 | 
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| Cal Fastenrs | CA | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | 4-40 hex m/s nut - rohs compliant 1/4 across the flats | 19,000 | 
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| SJS Prod | CA | Lock Nut, Flange, w serr. (Whiz-Lock etc.) | Steel | Zinc/Clear | #4-40 | 4-40 serrated hex flange nut st. zc rohs | 3530 | 
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| SJS Prod | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 x 1 1/4 | 4-40 x 1 1/4 f/h phil st zp rohs w/nylok | 500 | 
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| SJS Prod | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Black Oxide | #4-40 | 4-40 kepnut blk ox rohs | 7500 | 
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| SJS Prod | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | 4-40 nylon insert l/n thin pattern zp rohs | 2031 | 
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| SJS Prod | CA | Finished Hex Nut | Brass | Plain | #4-40 | hexnut brass 4-40 | 4809 | 
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| SJS Prod | CA | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | kepnut zp 4-40 rohs | 9696 | 
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| SJS Prod | CA | Finished Hex Nut | Steel | Zinc/Black | #4-40 | kepnut bz 4-40 | 4090 | 
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| SJS Prod | CA | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | hexnut machine screw zp 4-40 | 34 | 
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| SJS Prod | CA | Machine Screw Nut | Steel | Zinc/Yellow | #4-40 | 4-40 hex nut small patt st zy rohs | 13765 | 
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| SJS Prod | CA | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | kepnut zp 4-40 | 127 | 
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| SJS Prod | CA | Lock Nut, Nylon Insert | Steel | Plain | #4-40 x 1/4 | 4-40 x 1/4 p/h phil ext sem w/nylok | 1700 | 
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| SJS Prod | CA | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hexnut ss 4-40 small/patt rohs | 200 | 
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| SJS Prod | CA | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | kepnut ss 4-40 | 76 | 
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| SJS Prod | CA | High Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 stopnut thin pattern ss | 330 | 
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| UNEEDA | NJ | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Brass Plated | #4-40 | kep nuts | 9500 | 
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| Jackson | MS | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Yellow | #4-40 | 4-40 nc keps locknut | 7270 | 
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| UNEEDA | NJ | Machine Screw Nut | Steel | Plain | #4-40 x 3/16 | (af) m/s hex nut | 1140 | 
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| UNEEDA | NJ | Machine Screw Nut | Steel | Plain | #4-36 x 1/4 | (af) m/s hex nut | 1100 | 
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| UNEEDA | NJ | Machine Screw Nut | Steel | Plain | #4-40 x 1/4 | (af) m/s hex nut | 10000 | 
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| UNEEDA | NJ | Machine Screw Nut | Steel | Plain | #4-40 x 1/4 | (af) m/s hex nut | 1900 | 
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| UNEEDA | NJ | Machine Screw Nut | Steel | Plain | #4-36 x 3/16 | (af) m/s hex nut | 10000 | 
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| UNEEDA | NJ | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Black Oxide | #4-40 | kep nuts | 1000 | 
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| UNEEDA | NJ | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | nylon insert l/n | 4000 | 
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| Delta | TX | Cap Nut (Acorn Nut) | Steel | Zinc/Clear | #4-40 | acorn nuts steel zinc 4-40 | 100 | 
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| Delta | TX | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | acorn nuts 18-8 sst 4-40 | 154 | 
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| Delta | TX | Cap Nut (Acorn Nut) | Brass | Plain | #4-40 | acorn nuts brass 4-40 | 290 | 
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| Delta | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | fin nylon l/n steel zinc 4/40 | 11262 | 
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| Delta | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hx machine screw nut 18-8 sst 4-40 | 2905 | 
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| Delta | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hx machine screw nut 18-8 sst 4-40 (ROHS COMPLIANT) | 100 | 
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| Delta | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-48 | hx machine screw nut 18-8 sst 4-48 (FINE THREAD) | 500 | 
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| Delta | TX | Machine Screw Nut | 316, 317, A4 Stainless | Plain | #4-40 | hx machine screw nut 316 sst 4-40 | 1053 | 
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| Delta | TX | Machine Screw Nut | Brass | Zinc/Clear | #4-48 | hx machine screw nut brass zinc 4-48 (1/4 AF, FINE THREAD) | 2060 | 
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| Delta | TX | Machine Screw Nut | Brass | Plain | #4-40 | hx machine screw nut brass 4-40 | 3698 | 
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| Delta | TX | Mac hine Screw Nut | Nylon (Polyamide) | Plain | #4-40 | hx machine screw nut nylon 4-40 | 3140 | 
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| Delta | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | small pattern m/s nut 18-8 sst 4-40 (3/16 AF X 1/16 THK) | 2531 | 
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| Delta | TX | Machine Screw Nut | Brass | Plain | #4-40 | small pattern m/s nut brass 4-40 (3/16 AF) | 3400 | 
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| Delta | TX | Machine Screw Nut | Silicon Bronze | Painted | #4-40 | hx machine screw nut sil-bronze 4-40 | 75 | 
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| Delta | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | hx m/s nylon l/n zinc 4-40 | 10125 | 
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| Delta | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hx m/s nylon l/n 18-8 sst 4-40 | 3226 | 
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| Delta | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | square m/s nut 18-8 sst 4-40 | 292 | 
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| Delta | TX | Flange Nut, Non-locking | Steel | Zinc/Clear | #4-40 | flange nut hardened zinc 4-40 (WITH SERRATIONS) | 479 | 
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| Delta | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | hx jam m/s nylon l/n zinc 4-40 (22NTM-40) | 900 | 
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| Delta | TX | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | hx kep nut with ext lw zinc 4-40 | 13230 | 
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| Endries | WI | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 x 1/4 | 4-40x1/4 width across flats keps nut trivalent clear zinc | 6602 | 
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| Endries | WI | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 18-8 s/s steel hex machine nut | 1498 | 
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| MTP | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Plain | #4-40 | # 4-40 st/zn hex kep ( k-lock) nuts | stock | 
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| CNB | IL | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 hex machine screw nut 18.8 ss | 400 | 
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| CNB | IL | Lock Nut, Nylon Insert | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | #4-40 | 4-40 nylon insert lock nut hastelloy c276 per print 406208-2 plain+aco- | 15 | 
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| CNB | IL | Machine Screw Nut | Brass | Tin Plated | #4-40 | 4-40 hex machine screw nut unc 2b 0.1875 a/f 0.0625 thick double chamfer brass material tin plate per 50-80-9+aco- | 2015 | 
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| NutsBolts | NE | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 ss hex m/s nut | 1026 | 
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| NutsBolts | NE | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | 4-40 nylock zp | 790 | 
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| NutsBolts | NE | Finished Hex Nut | Brass | Plain | #4-40 | 4-40 brass hex nut | 450 | 
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| NutsBolts | NE | Machine Screw Nut | Steel | Zinc/Clear | #4-48 | 4-48 hex m/s nut zp | 328 | 
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| NutsBolts | NE | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | 4-40 hex m/s nuts zp | 1100 | 
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| NutsBolts | NE | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | 4-40 keps nut zp | 8920 | 
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| Liberty | IL | Lock Nut, Nylon Insert | Steel | Zinc/Black | #4-40 | ne nylon insert lock nut black | 1,293 | 
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| Endries | WI | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | 4-40 finished hex machine nut trivalent clear zinc | 3000 | 
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| Future Fastener | TX | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 cap nuts ss | 206 | 
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| Future Fastener | TX | Lock Nut, Nylon Insert | Aluminum | Plain | #4-40 | 4-40 miniature nylon insert l/n alum/alo | 1000 | 
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| Future Fastener | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 nylon insert locknut ss | 47 | 
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| Future Fastener | TX | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | #4-40 | 4-40 nylon insert l/n 316 ss | 1006 | 
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| Future Fastener | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 miniature nylon insert l/n ss | 940 | 
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| Future Fastener | TX | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | 4-40 kep nut plt | 24947 | 
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| Future Fastener | TX | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 kep nut ss | 2100 | 
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| Future Fastener | TX | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | 4-40 machine screw hex nut zinc plated | 2169 | 
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| Future Fastener | TX | Machine Screw Nut | Brass | Plain | #4-40 | 4-40 machine screw hex nut brass | 21 | 
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| Future Fastener | TX | Machine Screw Nut | Nylon (Polyamide) | Plain | #4-40 | 4-40 hex machine screw nut nylon | 125 | 
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| Future Fastener | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | #4-40 small pattern machine screw hex nut stainless steel | 2213 | 
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| Future Fastener | TX | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | #4-40 machine screw hex nut stainless steel | 31525 | 
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| Endries | WI | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4-40 | 4-40 18-8 s/s steel low crown acorn black oxide nut 1/4 width across flatsx1/4 height | 2119 | 
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| American | NY | Machine Screw Nut | Steel | Painted | #4-40 x 1/4 x 3/32 | 4/40 x 1/4 x 3/32 hex m/s nut bronze plated | 48900 | 
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| American | NY | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Zinc/Yellow | #4-40 | nylon stop nut zy | 4400 | 
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| American | NY | Push-on Nut (Pushnut, Starlock Washer, etc.) | Steel | Plain | #4-40 x 1/4 x 7/16 | tin c77594 push on 22 1130813002 | 35400 | 
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| American | NY | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | 4/40 nylon locknut | 3960 | 
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| American | NY | Self-Clinching Nut | Aluminum | Plain | #4-40 | 4/40 aluminum clinch nut #1 | 1000 | 
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| American | NY | Self-Clinching Nut | Aluminum | Plain | #4-40 | 4-40 self clinching nut aluminum | 1000 | 
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| American | NY | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 | 4-40 self clinching nut #0 zinc plate | 3980 | 
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| American | NY | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 #1 | 4-40 #1 grip clinch nut zinc plate | 1000 | 
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| Endries | WI | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 nylon insert l/n nm 18-8/a2 | 150 | 
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| Endries | WI | Self-Clinching Nut | Steel | Plain | #4-40 | 4-40 self-clinching nut .030 thk | 1000 | 
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| Endries | WI | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 keps nut 18-8/a2 | 145 | 
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| Aztech | IL | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | nyl ins l/n (wht | 714,000 | 
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| Aztech | IL | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | nylon insert | 889,095 | 
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| Aztech | IL | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Galvanized | #4-40 | #4-40 k-lok (keps) nut g | 407,330 | 
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| Aztech | IL | Lock Nut, Nylon Insert | Steel | Galvanized | #4-40 | nyl ins l/n (nm) g | 34,000 | 
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| Aztech | IL | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | nyl ins l/n (nm) | 32,228 | 
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| Aztech | IL | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Galvanized | #4-40 | #4-40 k-lok (keps) nut g | 23,820 | 
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| Aztech | IL | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Galvanized | #4-40 | #4-40 k-lok (keps) nut g | 5,807 | 
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| Aztech | IL | Lock Nut, Nylon Insert | Steel | Plain | #4-40 | nyl ins l/n (wht ring | 4,800 | 
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| Aztech | IL | Self-Clinching Nut | Steel | Plain | #4-40 | clinch nuts-ncfma1 | 12,000 | 
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| Aztech | IL | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Galvanized | #4-40 | #4-40 k-lok (keps) nut g | 9,397 | 
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| Mansco | MI | Lock Nut, Nylon Insert | Steel | Zinc/Black | #4-40 | hex m/s nylon insert locknut nm pattern triv blk znc 100/box | 3960 | 
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| MFS | KS | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hex nut | 192 | 
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| MFS | KS | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | #4-40 | small pattern hex nut | 6788 | 
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| MFS | KS | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | acorn nut low crown | 62 | 
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| MFS | KS | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-48 | hex nut | 492 | 
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| MFS | KS | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Nylon (Polyamide) | Plain | #4-40 | lock nut | 763 | 
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| MFS | KS | Cap Nut (Acorn Nut) | Nylon (Polyamide) | Plain | #4-40 | slotted cap nut | 318 | 
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| MFS | KS | Cap Nut (Acorn Nut) | Nylon (Polyamide) | Plain | #4-40 | acorn nut | 861 | 
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| Global | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | nylon insert locknut ii | 11,400 | 
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #4-40 | MS21043-04 | 12,860 | 
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| Global | CA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | thin nylon ins l/n 18-8 ss | 10,051 | 
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| Global | CA | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 | machine screw nut 18-8 ss passivate | 27,226 | 
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| Global | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | nylon insert locknut | 7,846 | 
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| Global | CA | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | machine screw nut ii | 9,150 | 
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| Global | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #4-40 | keps nut 18-8 ss passivate | 14,800 | 
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| Global | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | thin nylon ins l/n i | 6,662 | 
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| Global | CA | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | machine screw nut clear | 1,618 | 
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| Global | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | keps nut clear rohs | 1,000 | 
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| Global | CA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nylon insert locknut 18-8 ss | 3,905 | 
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| Global | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Black Oxide | #4-40 | keps nut | 1,640 | 
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| Global | CA | Machine Screw Nut | Nylon (Polyamide) | Plain | #4-40 | machine screw nut | 8,800 | 
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| Global | CA | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | MS35649-244 | 85 | 
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| Global | CA | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | machine screw nut 18-8 ss black | 400 | 
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| Global | CA | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | NAS671C4 | 420 | 
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Cadmium/Yellow | #4-40 | MS21042-04 | 280 | 
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| Global | CA | Square Nut | Brass | Nickel Plated | #4-40 | square nut plate | 240 | 
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| Global | CA | Cap Nut (Acorn Nut) | Nylon (Polyamide) | Plain | #4-40 | acorn cap nut | 960 | 
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| Global | CA | Lock Nut, Top Locking, All Metal (Automation style, etc.) | Steel | Plain | #4-40 | MS21042L04 | 120 | 
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| IRF | NJ | Machine Screw Nut | Brass | Plain | #4-40 | hex machine screw nut | 53,773 | 
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| IRF | NJ | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | machine screw hex nut 18-8 s/s | 24,970 | 
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| MidStates | MI | Self-Clinching Nut | Steel | Plain | #4-40 | self clinching nut | 4700 | 
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| MidStates | MI | Self-Clinching Nut | Steel | Plain | #4-40 | self clinching nut | 4858 | 
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| MidStates | MI | Self-Clinching Nut | Steel | Plain | #4-40 | self clinching nut | 4710 | 
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| MidStates | MI | Slotted Round Nut (Shaft Nut) | Steel | Plain | #4-40 | slotted knurled nut nyl | 117 | 
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| MidStates | MI | Machine Screw Nut | Steel | Plain | #4-32 | machine scr nut | 2297 | 
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| ISSCO | MO | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 | 4-40 self clinching nut pem (pem eng & mfg) s-440-3zi | 800 | 
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| OneMonroe | MI | Lock Nut, Top Locking, All Metal (Automation style, etc.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | pem alternative plc-440 captive cplc440 self-locking nut ss thread-4-40 | 1000 | 
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| IRF | NJ | Cap Nut (Acorn Nut) | Plastic | Plain | #4-40 | nut acorn 4-40 black microplastics # 0500440cnb 500-00370 | 7,150 | 
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| IRF | NJ | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 acorn cap nut 18-8 s/s pln n04cap3p | 1,903 | 
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| IRF | NJ | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | 4-40 hex machine screw nut stl znc rohs | 6,260 | 
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| IRF | NJ | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 hex finish nut 18-8 s/s small pattern 3/16 af | 898 | 
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| IRF | NJ | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 nylon insert lock nut 18-8 s/s steel | 10,000 | 
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| IRF | NJ | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | #4-40 keps nut steel zinc plated rohs compliant 500-00276 | 7,233 | 
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| BHAM | AL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | thin nylon ins. l/n 300 ser ss | 400 | 
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| BHAM | AL | Machine Screw Nut | Steel | Zinc/Clear | #4-40 | small pat hex m/s nut zn | 3,600 | 
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| Trifast | TX | Finished Hex Nut | Steel | Nickel Plated | #4-40 | 4-40 hex nut steel bright nickel | 900 | 
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| Trifast | TX | Lock Nut, Flange, Nylon Insert | Steel | Zinc/Clear | #4-40 | 4-40 flange nylon insert nut steel rohs zinc clear | 1000 | 
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| BCSB | CA | Finished Hex Nut | Nylon (Polyamide) | Plain | #4-40 | 4-40 hex nut nylon glass filled b18.2.2 | 8,200 | 
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| Lippin | CA | Coupling Nut | Steel | Zinc/Clear | #4-40 | #4-40 coupling nut zinc | 50 | 
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| Lippin | CA | Lock Nut with Tooth L/W (K-Lock, Keps, etc.) | Steel | Zinc/Clear | #4-40 | #4-40 keps lock nut zinc | 6800 | 
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| Lippin | CA | Finished Hex Nut | Brass | Plain | #4-40 | hex nut brass | 500 | 
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| Lippin | CA | Finished Hex Nut | Steel | Plain | #4-40 | hex nut black | 3550 | 
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| Lippin | CA | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | hex nut zinc plated | 64899 | 
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| Lippin | CA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nylon insert locknut stainless 18-8 | 650 | 
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| Lippin | CA | Finished Hex Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hex nut stainless 18-8 | 700 | 
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| Lippin | CA | Cap Nut (Acorn Nut) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | cap nut stainless 18-8 | 61 | 
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| Lippin | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | nylon insert locknut zinc plated | 300 | 
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| SRF | AL | Finished Hex Nut | Brass | Plain | #4-40 | hex finish nut | 353 | 
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| SRF | AL | Self-Clinching Nut | Steel | Zinc/Clear | #4-40 | self-clinching nut | - | 
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| OBRIEN | OH | Machine Screw Nut | 316, 317, A4 Stainless | Plain | #4-40 | hex mach scr nut 316 stainless | 50 | 
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| GUIDON | NJ | Machine Screw Nut | Brass | Nickel Plated | #4-40 | 543 | 
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| CFI | IL | Square Nut | Steel | Plain | #4-36 | square nuts | 515,000 | 
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| CFI | IL | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | hex nuts | 10,400 | 
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| CFI | IL | Square Nut | Steel | Plain | #4-36 | square nuts | 515,000 | 
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| CFI | IL | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | hex nuts | 10,400 | 
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| CFI | IL | Square Nut | Steel | Plain | #4-36 | square nuts | 515,000 | 
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| CFI | IL | Finished Hex Nut | Steel | Zinc/Clear | #4-40 | hex nuts | 10,400 | 
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| SeattleNB | WA | Finished Hex Nut | Brass | Plain | #4-40 | fin hex nut | 2,000 | 
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| SeattleNB | WA | Machine Screw Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | hex machine screw nut 18-8 ss | 840 | 
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