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5/16 Flat Washers (ASME B18. 22.1)
Flat Washers, or just Plain Washers, are a flat annulus or ring, often of metal, used to spread the load from the head of a screwed fastening to the base material. Flat washers are used to increase the bearing surface of a nut or fastener's head thus spreading the clamping force over a larger area.
122 results, (click on any line for more information)
| Buy Flat Washers from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Irwin Ind | Ont | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | ms15795-812 flat washers milspec 18.8 stainless steel b18.22.1 | 696 |
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| Irwin Ind | Ont | Flat Washer | Steel | Plain | 5/16 | ms9321-11 5/16 flatwasher stainless stl b18.22.1 | 96 |
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| Irwin Ind | Ont | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 flatwasher st/st 316 .343 x .750 x .050 b18.22.1 | 1000 |
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| Irwin Ind | Ont | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 flat washer st/st 7/8 od x .062 thick b18.22.1 | 500 |
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| Irwin Ind | Ont | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 3/4 x .062 | 5/16 x 3/4 x .062 flatwasher nylon b18.22.1 | 2284 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 0.328 | 5/16 flat 0.328x0.562x0.063 18-8 s/s b18.22.1 () () () | 8504 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 flat 18-8 s/s ms-813 b18.22.1 () () () | 10238 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 flat 18-8 s/s ms-812 b18.22.1 () () () | 7701 |
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| GLF | OH | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 x 0.345 | 5/16 flat 0.345x0.750x0.045 316 s/s b18.22.1 () () () | 2234 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 7/8 x 0.04 | 5/16x7/8x0.04 flat 18-8 s/s b18.22.1 () () () | 9821 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .75 | 5/16x.75 flat 18-8 s/s b18.22.1 () () () | 7058 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 flat 18-8 s/s domestic b18.22.1 () () () | 40 |
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| GLF | OH | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 x .75 | 5/16x.75 flat 316 s/s b18.22.1 () () () | 4715 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16 | 5/16 (.344x.688x.065) ss flat/ 304ss MS15795-812 b18.22.1 () () () | 5048 |
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| GLF | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16 | 5/16 (.375x.875x.080) ss flat/ 304ss MS15795-813 b18.22.1 () () () | 1109 |
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| GLF | OH | Flat Washer | Steel | Cadmium/Yellow | 5/16 | 5/16 (.344x.688x.065) steel flat cad/ MS27183-12 b18.22.1 () () () | 1318 |
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| BHAM | AL | Flat Washer | Steel | Plain | 5/16 | 5/16 f/w type-b reg low carb yellow b18.22.1 | 5000 |
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| GLF | OH | Flat Washer | Silicon Bronze | Plain | 5/16 | 5/16 flat narrow asme b18.21.1 type-b stl ams 2417/astmb841 bzn b18.22.1 () () () | 370 |
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| GLF | OH | Flat Washer | Steel | Plain | 5/16 x 3/4 x 1/16 | 5/16x3/4x1/16 flat cpr b18.22.1 () () () | 150 |
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| GLF | OH | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 flat 316 s/s domestic b18.22.1 () () () | 810 |
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| GLF | OH | Flat Washer | Aluminum | Plain | 5/16 | AN960-JD516L b18.22.1 () () () | 3750 |
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| Ababa | CA | Flat Washer | Steel | Plain | 5/16 | 5/16 reg series f/w steel yel plt (9/16 od) b18.22.1 | 4100 |
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| Ababa | CA | Flat Washer | Steel | Plain | 5/16 | 5/16 lite series f/w steel yel plt (9/16 od) b18.22.1 | 604 |
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| Ababa | CA | Flat Washer | Steel | Tin Plated | 5/16 | 5/16 reg series f/w brass tin plt b18.22.1 | 500 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 1 x 1/8 | 5/16 x 1 flat washer .125 thk nylon b18.22.1 | 625 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 1 1/8 | 5/16 x 1 1/8 flat washer .032 thk nylon b18.22.1 | 2550 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 1/2 | 5/16 x 1/2 f/w .032 thk nylon b18.22.1 | 6533 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 1/2 | 5/16 x 1/2 f/w .062 thk nylon b18.22.1 | 30 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .531 | 5/16 x .531 flat wsh s/s b18.22.1 | 22213 |
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| Ababa | CA | Flat Washer | Steel | Nickel Plated | 5/16 x 9/16 | 5/16 x 9/16 flat washer .062 thk stl nkl b18.22.1 | 1000 |
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| Ababa | CA | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | 5/16 x 11/16 | 5/16 x 11/16 solid neoprene wsh 3/32 thk b18.22.1 | 702 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 11/16 | 5/16 x 11/16 f/w s/s b18.22.1 | 2788 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 5/16 x 11/16 | 5/16 x 11/16 flat washer s/s blk ox wax b18.22.1 | 200 |
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| Ababa | CA | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 x 3/4 | 5/16 x 3/4 f/w 316 s/s b18.22.1 | 200 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 3/4 | 5/16 x 3/4 flat wsh .040 thk nylon b18.22.1 | 2230 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 3/4 | 5/16 x 3/4 f/w .062 thk nylon b18.22.1 | 10016 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 3/4 | 5/16 x 3/4 f/w .062 thk black nylon b18.22.1 | 2336 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 3/4 x 1/8 | 5/16 x 3/4 f/w .125 thk nylon b18.22.1 | 5171 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 3/4 | 5/16 x 3/4 f/w s/s b18.22.1 | 19464 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 3/4 | 5/16 x 3/4 f/w 25/pkg s/s b18.22.1 | 9 |
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| Ababa | CA | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 x 7/8 | 5/16 x 7/8 f/w 316 s/s b18.22.1 | 646 |
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| SII | IN | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 18-8 stainless steel large od flat washer) b18.22.1 | 325 |
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| JET FITTING | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 9/16 x 0.032 | 5/16x9/16x0.032 flt wash a2 (18-8) 397120 b18.22.1 | 3600 |
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| JET FITTING | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .688 x .109 | 5/16x.688x.109 flat stainless steel 18-8 516TSFW SS b18.22.1 | 1411 |
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| JET FITTING | CA | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | 5/16 | r068829t epdm rbr wshr 5/16 dia R068829T b18.22.1 | 1000 |
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| JET FITTING | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 11/16 x 0.065 | 5/16x11/16x0.065 flt wash a2 (18-8) 394220 b18.22.1 | 1800 |
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| JET FITTING | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-813 7/8 | 5/16 f/w 18-8-813 7/8 od 23AMMS15795-813 b18.22.1 | 11791 |
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| Standard | MA | Flat Washer | Silicon Bronze | Plain | 5/16 | 5/16 lp flat washer silicon bronze b18.22.1 | 19700 |
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| Standard | MA | Flat Washer | Brass | Plain | 5/16 | 5/16 lp flat washer brass b18.22.1 | 15756 |
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| Standard | MA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 | 5/16 lp flat washer nylon b18.22.1 | 10000 |
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| Standard | MA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 an flat washer 18-8 stainless steel b18.22.1 | 32000 |
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| Standard | MA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 neoprene bonded flat washer 18-8 stainless steel b18.22.1 | 2000 |
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| Standard | MA | Flat Washer | Brass | Plain | 5/16 | 5/16 standard flat washer brass b18.22.1 | 20015 |
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| Standard | MA | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 | 5/16 standard flat washer 316 stainless steel b18.22.1 | 77673 |
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| Standard | MA | Flat Washer | Silicon Bronze | Plain | 5/16 | 5/16 standard flat washer silicon bronze b18.22.1 | 44475 |
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| Standard | MA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 standard flat washer 18-8 stainless steel b18.22.1 | -504938 |
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| QFC | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 flat type-a wide 18-8 304 domestic b18.22.1 | 3 |
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| QFC | TX | Flat Washer | Brass | Plain | 5/16 idx1/2 thickx.031 brass b18.22.1 | 3000 |
| |
| QFC | TX | Flat Washer | Steel | Zinc/Clear | 5/16 | 5/16 type-b narrow flat trivalent b18.22.1 | 13330 |
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| QFC | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16 | (5/16).375x.875x.064-.104 flat 18-8 304ss MS15795-813 b18.22.1 | 200 |
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| QFC | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16 | (5/16).375x.875x.064-.104 flat 18-8 304ss MS15795-813 b18.22.1 | 140 |
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| QFC | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 1 3/16 | 5/16x1 3/16 s/s backed neo 16ga b18.22.1 | 200 |
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| QFC | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .343 | 5/16 .343x.750x.050 flat 18-8! b18.22.1 | 208 |
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| QFC | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .343 | 5/16 .343x.750x.050 flat 18-8! b18.22.1 | 2500 |
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| B & K FAST | PA | Flat Washer | Brass | Plain | 5/16 x 5 x .622 | 5/16 x 5/8 flat washers brass .345 x .622 x .071 b18.22.1 | 235 |
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| B & K FAST | PA | Flat Washer | Copper | Plain | 5/16 x 9/16 x 1/32 | 5/16 x 9/16 x 1/32 copper flat washers b18.22.1 | 25 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 5/8 | 5/16 x 5/8 od flat washers stainless 18-8 b18.22.1 | 331 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 11/16 | 5/16 x 11/16 od flat washers stainless 18-8 b18.22.1 | 232 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 3/4 | 5/16 x 3/4 od flat washers stainless 18-8 b18.22.1 | 2297 |
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| B & K FAST | PA | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 x 3/4 | 5/16 x 3/4 od flat washers stainless 316 b18.22.1 | 120 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 7/8 | 5/16 x 7/8 od flat washers stainless 18-8 b18.22.1 | 46 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 5/16 x 7/8 | 5/16 x 7/8 od flat washers 18-8 stainless ms 15795-813 (300-series) black ox b18.22.1 | 9 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 1 | 5/16 x 1 od flat washers stainless 18-8 b18.22.1 | 2 |
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| B & K FAST | PA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 1 1/4 | 5/16 x 1 1/4 od flat washers stainless 18-8 b18.22.1 | 988 |
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| General F | MI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 stndrd fw ss b18.22.1 | 9,650 |
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| General F | MI | Flat Washer | Nylon (Polyamide) | Plain | 5/16 | 5/16 nyl f/w b18.22.1 | 7,975 |
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| Sonfast | SC | Flat Washer | Steel | Zinc/Clear | 5/16 | 5/16 wide type-a plain washer asme b18.22.1 trivalent zinc | 68,479 |
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| QFC | TX | Flat Washer | Steel | Plain | 5/16 | 5/16 pln cut washer(90 per lb 4500/50lb) .375x.875x.083 b18.22.1 | 1 |
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| QFC | TX | Flat Washer | Steel | Black Oxide | 5/16 x 1 | 5/16x1 blk neo washer 60 durometer b18.22.1 | 2500 |
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| QFC | TX | Flat Washer | Steel | Black Oxide | 5/16 | 5/16 hardened flat washer blk ox b18.22.1 | 104 |
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| QFC | TX | Flat Washer | Steel | Plain | 5/16 | 5/16 safety spring washer steel b18.22.1 | 5000 |
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| Mid-Valley | CA | Flat Washer | Zinc Alloy 3 (Zamak) | Zinc/Clear | 5/16 | flat washer b18.22.1 | inquire |
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| JET FITTING | CA | Flat Washer | Steel | Zinc/Clear | 5/16 x 1.250 x .047 | washer flat 5/16x1.250x.047 steel zinc plated (4 520 per 100lbs) b18.22.1 | 1366 |
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| JET FITTING | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .750 x .048 | washer flat 5/16x.750x.048 stainless steel b18.22.1 | 1100 |
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| JET FITTING | CA | Flat Washer | Steel | Zinc/Clear | 5/16 x 1.500 x .071 | 5/16x1.500x.071 flat washer steel zinc b18.22.1 | 2362 |
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| JET FITTING | CA | Flat Washer | Steel | Zinc/Yellow | 5/16 x .688 x .062 | flat washer 5/16x.688x.062 steel thru-hardened zinc yellow b18.22.1 | 6350 |
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| JET FITTING | CA | Flat Washer | Steel | Nickel Plated | 5/16 x .688 x .062 | 5/16x.688x.062 flat washer steel nickel b18.22.1 | 6868 |
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| JET FITTING | CA | Flat Washer | Steel | Zinc/Clear | 5/16 x .688 x .062 | washer flat 5/16x.688x.062 steel zinc plated b18.22.1 | 76 |
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| JET FITTING | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .688 x .109 | 5/16x.688x.109 flat washer stainless steel 18-8 b18.22.1 | 1200 |
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| JET FITTING | CA | Flat Washer | Steel | Zinc/Clear | 5/16 x .875 x .083 | washer flat 5/16x.875x.083 steel zinc plated b18.22.1 | 175 |
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| JET FITTING | CA | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x .555 x .031 6/6 | 5/16x.555x.031 flat washer nylon 6/6 natural b18.22.1 | 11500 |
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| JET FITTING | CA | Flat Washer | Steel | Black Oxide | 5/16 x .875 x .083 | washer flat 5/16x.875x.083 steel black oxide b18.22.1 | 1810 |
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| JET FITTING | CA | Flat Washer | Steel | Plain | 5/16 | washer flat 5/16 cu .567x.032 b18.22.1 | 800 |
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| THRDFAST | FL | Flat Washer | Brass | Plain | 5/16 | flat small b18.22.1 | 1,357 |
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| THRDFAST | FL | Flat Washer | Silicon Bronze | Plain | 5/16 | sili brnz flat b18.22.1 | 1,037 |
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| THRDFAST | FL | Flat Washer | Grade 8 | Plain | 5/16 | gr8 flat b18.22.1 | 43 |
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| THRDFAST | FL | Flat Washer | Aluminum | Plain | 5/16 | alum flat b18.22.1 | 1,406 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 3/4 x 1/4 | 5/16x3/4 flat 1/4 thk b18.22.1 | 2 |
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| THRDFAST | MS | Flat Washer | Copper | Plain | 5/16 x 3/4 1/16 | 5/16x3/4 flat 1/16 thk b18.22.1 | 16 |
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| KBS | TN | Flat Washer | 316, 317, A4 Stainless | Plain | 5/16 x 3/4 | 5/16 x 3/4 flat/w 316 s/s b18.22.1 | 13,084 |
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| THRDFAST | OK | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | ms15795-812 18-8 s 304ss b18.22.1 | 394 |
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| THRDFAST | MS | Flat Washer | Nylon (Polyamide) | Plain | 5/16 | flat b18.22.1 | 70 |
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| THRDFAST | AL | Flat Washer | Grade 8 | Galvanized | 5/16 x 3/4 | gr8 spec. dim. f/w 1/8thk mech b18.22.1 | 210 |
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| WSB | KY | Flat Washer | Steel | Zinc/Clear | 5/16 | washer flat ms st (zn) 5/16 b18.22.1 | 19,886 |
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| All Size | TX | Flat Washer | Nylon (Polyamide) | Plain | 5/16 x 1 1/4 | 5/16 x 1-1/4 nylon flat washer white b18.22.1 | 442 |
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| FACCA | Ont | Flat Washer | Steel | Zinc/Clear | 5/16 x 21/64 | flat washer round bolt size 5/16 21/64 (.328-.338 ) id x 7/8 (.870-.880 ) od x .062 (.056-.064 ) thk steel zinc chromate b18.22.1 | 3,500 |
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| FACCA | Ont | Flat Washer | Copper | Plain | 5/16 | flat washer for 5/16 (11/32 id x 11/16 od x 1/16 thk) copper b18.22.1 | 100 |
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