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USS Flat Washers , 300 Stainless (A1,A2, 18-8,304,310 etc.)
USS Flat Washers were among the first known commercial flat washers in the U.S.A. They are characterized as having a loose fit, and have a larger outside diameter than SAE Flat washers. The USS designation was derived from the name “Unified Standard Series.” At the time, coarse threaded bolts were called USS bolts.
163 results, (click on any line for more information)
| Buy USS Flat Washers from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Field Fas | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer 18-8 ss | 1006 |
|
| Set Screw | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | USS flat 18-8 s/s | inquire |
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| Cal Fastenrs | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .406 x .875 x .045 | .406 x .875 x .045 s.s. f/w 3/8 comml uss f/w | 16,848 |
|
| Hayes | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss flat washer 18-8 ss zii | 125 |
|
| Cal Fastenrs | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .406 x .875 x .045 | .406x.875x.045 316 s.s f/w 3/8 comml uss f/w uss f/w | 47 |
|
| BHAM | AL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | 5/8 uss flat washer dom. 300 ser ss | 44 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat 18-8 s/s b18.22.1 () () () | 4584 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 uss flat 304 s/s b18.22.1 () () () | 130 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/4 | 1-1/4 uss flat 304 s/s b18.22.1 () () () | 27 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | 5/8 uss flat 18-8 s/s b18.22.1 () () () | 407 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .875 | 5/16x.875 uss flat 18-8 s/s b18.22.1 () () () | 2769 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 uss flat 18-8 s/s b18.22.1 () () () | 231 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss flat 18-8 s/s b18.22.1 () () () | 1992 |
|
| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | #10 uss flat 18-8 s/s b18.22.1 () () () | 198 |
|
| Century | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .438 x 1.00 x .083 | 3/8 uss fw ss .438 x 1.00 x .083 (GENERIC EQUAL TO MS15795-815) (GENERIC EQUAL TO MS15795-815) | 24629 |
|
| YANKEE | NH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2 | USS flat type-b 18-8 304 | 10150 |
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| YANKEE | NH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 | #4 uss flat washer stainless | 300 |
|
| YANKEE | NH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 1 | 3/8 x 1 uss std flat washer .062tk 18-8 stainless steel | 946 |
|
| YANKEE | NH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x 3/4 | 1/4 x 3/4 od flat washer (uss) 18-8 stainless steel | 876 |
|
| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 9/16 | 9/16 uss flat s 18-8 ss | 507 |
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| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 3/4 | 1 3/4 uss flat s 18-8 ss | 2 |
|
| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | 1 1/2 uss flat s 18-8 ss | 34 |
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| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/4 | 1 1/4 uss flat s 18-8 ss | 5 |
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| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/8 | 1 1/8 uss flat s 18-8 ss | 27 |
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| Weaver | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 | 7/8 uss flat s 18-8 ss | 38 |
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| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 | 7/16 18-8 s.s flat washers .500x1.250x.104 (uss) | stock |
|
| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 18-8 s.s flat washers .813x2.000x.177 (uss) | 150 |
|
| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 18-8 s.s flat washers .312x.750x.080 (uss) | 2,000 |
|
| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | #10 18-8 s.s flat washers .250x.562x.065 (uss) | 1,000 |
|
| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 18-8 s.s flat washers .375x.875x.104 (uss) | 1,000 |
|
| Bossard | AZ | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | # 10 flatwasher uss ss | 50 |
| |
| Jay-Cee | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 | 7/16 screw size 0.5 id 1.25 od 18-8 stainless steel uss washer | inquire |
|
| Jay-Cee | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7359-01 #12 uss .25 x .562 x .050 18-8 s/s flat washer | inquire |
| |
| Jay-Cee | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 u s s flat washer steel plain | inquire |
| |
| Jay-Cee | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 | 7/16 u s s flat 18-8 s/s | 5600 |
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| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer (ms815) 18-8 s/s | 4000 |
|
| American | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 uss flat 18-8 304 steel | 713 |
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| QCS | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | .250x.562x.047 flatwasher stainless (#10 uss) | 1031 |
|
| QCS | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .375 x .875 x 5/16 | .375x.875xflatwasher stainless (5/16 uss) | 356 |
|
| SJS Prod | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss f/w .750 od ss | 782 |
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| Accutite | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 3/8 | 3/8 uss flatwasher ss black oxide | 1650 |
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| SWACO | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss f/w 18-8-815 | 487 |
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| SWACO | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | #10 uss f/w 18-8 | 5000 |
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| SWACO | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | 5/8 uss flt wash 18-8 pln | 100 |
|
| Mansco | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 uss f/w 18-8 s.s.-.370/.390 id x .868/.905 od x .064/.1040 thk | 117402 |
| |
| NutsBolts | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 ss uss flat washer #815 | 19516 |
|
| NutsBolts | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 ss uss flat washer | 300 |
|
| AFI | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 flat washer uss ss () () | 662 |
|
| AFI | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 flat washer uss ss 437x1.00x084 () () | 600 |
| |
| AFI | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 flat washer uss ss 500x1.26x062 () () | 600 |
| |
| AFI | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 flat washer uss ss () () | 2690 |
|
| CIF | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 flat uss 18-8 s/s steel (2815) () | 2815 |
|
| CIF | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 uss flat washer 18/8ss (7/8 od ) | (980) () | 980 |
| |
| CIF | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 | 1 flat 18-8 s/s steel (uss pattern has larger od than sae) (51) (51) (57) () | 57 |
|
| CIF | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 flat uss 18-8 s/s steel (54) (54) (2275) () | 2275 |
|
| Olander | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 uss cut washer sst | 307 |
| |
| Century | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 uss flat washer 18-8 | 348 |
| |
| Century | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 uss flat washer 18-8 | 2566 |
| |
| Century | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Black | 5/16 | 5/16 uss f/w stl blk zinc triv. domestic parts only (rohs comp.) pkg 3000 per | 41375 |
|
| Century | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 uss flat washer 18-8 | 39 |
| |
| Liberty | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | USS flat 18-8 s/s | 369 |
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| Field Fas | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 x 1/4 | 1 uss flat 1/4 thk 304 ss | 204 |
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| Field Fas | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc .) | Plain | 3/8 uss flat washer 304 ss | 860 |
| |
| Fort Dear | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | uss f/w 1/2 18-8 | | 63 |
| |
| Fort Dear | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | uss f/w 7/16 18-8 | | 180 |
| |
| Alma Bolt | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 | #12 uss (.25 x .562 x .050) st. st. flat washer b18.22.1 | 848 |
|
| Fastener | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 x 821 .687 x 1.75 | flat 5/8 uss 18.8 821 (.687x1.75x.108-.160) | 260 |
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| IRF | NJ | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 | USS flat 18-8 s/s | 329 |
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| Hodell | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 flat 18-8ss uss | 400 |
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| Hodell | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 flat 18-8ss uss | 1100 |
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| MidStates | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 3/8 | 1-3/8 uss flat washer 18-8 | 8 |
|
| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | 9/16 | 9/16 uss extra thick st/yzn hrc 38-45 flat washer .625 x 1.50 x .156-.188 | stock |
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| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | 1/2 | 1/2 uss extra thick st/yzn hrc 38-45 flat washer .563 x 1.375 x .156-.188 | stock |
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| IPC | VA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 uss flat 18-8 s/s steel | 5,833 |
|
| JET FITTING | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | #10 uss f/w 18-8 1-W-809 b18.22.1 | 5000 |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 x 700 | 5/8 uss flat washer gr 18.8 stainless steel 700/ctn-50/pkg | 500 |
|
| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 | 7/16 uss flat washer gr 18.8 stainless steel | 1117 |
|
| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 7/8 | 3/8 x 7/8 uss flat washer domestic gr 18.8 stainless steel | 6600 |
|
| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer gr 18.8 stainless steel 2500/ctn-100/pkg | 1611 |
|
| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 uss flat washer gr 18.8 stainless steel 4500/ctn-100/pkg | 1207 |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss flat washer gr 18.8 stainless steel 6000/ctn-100/pkg | 2658 |
|
| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 x 1 x 1/4 | 1/2 uss flat washer gr 18.8 stainless steel 1-1/4 od 1000/ctn-100/pkg | 721 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 | 1 304 ss USS flat | 163 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 304 ss USS flat | 3,380 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 304 ss USS flat | 1,995 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 304 ss USS flat | 4,051 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | 304 ss USS flat | 2,420 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 304 ss USS flat | 2,775 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 | 304 ss USS flat | 618 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/4 | 304 ss USS flat | 1,606 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | 304 ss USS flat | 4 |
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| SunPack | FL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/8 | 304 ss USS flat | 152 |
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| Standard | MA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 ms815 flat washer 18-8 s/s steel 304ss | 52330 |
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| Fastener | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .562 x 1.375 x .086 .132 | flat 1/2 uss 819 (.562x1.375x.086-.132) 18.8 | 922 |
|
| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat 18-8 s/s steel domestic b18.22.1 | 590 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 uss flat 18-8 s/s b18.22.1 | 29 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 | 7/16 uss flat 304 ss b18.22.1 | 1223 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 uss flat 18-8 s/s b18.22.1 | 37800 |
|
| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 uss flat 18-8 s/s b18.22.1 | 51000 |
|
| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M5 | M5 uss flat 18-8 s/s steel | 2980 |
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| UltraFast | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 flat USS 1 od ss | inquire |
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| UltraFast | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | flats uss | inquire |
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| Arden | WI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 | #6 fw uss 18-8ss | inquire |
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| IRF | NJ | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | USS flat a2 18-8 s/s | 40 |
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| IRF | NJ | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2 | flat 2 USS std 18-8 s/s | 42 |
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| ACF | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 0.562 x 1.375 x .110 | 0.562x1.375x.110 uss s/s flatwasher | 230 |
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| Kanebridge | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer 18-8 stainless steel | 25,000 |
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| Kanebridge | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 uss flat washer 18-8 stainless steel | 12.500 |
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| Kanebridge | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | 5/8 uss flat washer 18-8 stainless steel | 12.500 |
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| Kanebridge | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | 5/16 uss flat washer 18-8 stainless steel | 25,000 |
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| Kanebridge | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 inch uss flat washer 18-8 stainless steel | 25,000 |
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| BHAM | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 x 1 1/4 | 1/2x1 1/4 uss flat 300 ser ss b18.22.1 | 106 |
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| Sonfast | PA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 | 7/8 uss flat washer 18-8 s/s steel | 272 |
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| Sonfast | PA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 x 2.00 x 9/64 | 3/4 uss flat washer 2.00 od. 9/64 thick 18-8 ss | 356 |
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| Sonfast | PA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x .453 | 3/8 uss f/w 18-8 s/s .453/.433 x.1.030/.997 x.104/.064 | 2,400 |
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| Sonfast | SC | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer 18-8 | 480 |
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| Sonfast | SC | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss flat washer 18-8 s/s .307/.327x.727/.749x.051/.080 | 127,973 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer 304 ss b18.22.1 | 611 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 uss flat washer 18-8 s/s b18.22.1 | 3000 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss flat washer 18-8 stainless steel b18.22.1 | 400 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10 | m10 uss flat washer 18-8 stainless ste | 800 |
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| BHAM | AL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 x 2 | 1x2 USS flat #134 300 ser ss | 115 |
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| BHAM | AL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 3/4 | USS flat 300 ser ss | 1 |
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| BHAM | AL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 1 | USS flat 300 ser ss | 238 |
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| BCSB | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .438 x 1 x .064 | .438x 1x .064/.104 thick flat washer stainless steel usa b18.22.1 | 3,000 |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 | 1 uss flat washer gr 18.8 stainless steel | inquire |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8 | 7/8 uss flat washer gr 18.8 stainless steel | inquire |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M12 x 24 | m12 x 24mm od uss flat washer gr 18.8 stainless steel | inquire |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 uss flat washer gr 18.8 stainless steel | inquire |
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| BoltCraft | NE | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 10 x 11/16 x .04 | no 10 x 11/16 x .04 uss flat washer gr 18.8 stainless steel | inquire |
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| NAPPCO | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 flatwasher uss s/s 18-8 1-3/4od 11/1 | 132 |
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| JET FITTING | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x .750 x .062 | 1/4x.750x.062 flat washer stainless steel 18-8 uss b18.22.1 | 935 |
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| JET FITTING | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x .875 x .083 | washer flat 5/16x.875x.083 stainless steel 18-8 uss b18.22.1 | 3785 |
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| JET FITTING | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 x 1.750 x .134 | 5/8x1.750x.134 flat washer stainless steel 18-8 uss b18.22.1 | 219 |
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| CNB | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 | flat , uss,type-a, wide, 36 18-8 304 , | 2 |
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| CNB | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | USS flat 18-8 s/s dom. | 2 |
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| CNB | IL | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | USS flat 18-8 s/s dom. | 13 |
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| AIH | AZ | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | USS flat s/s (1-3/8 od) | 150 |
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| AIH | AZ | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | USS flat s/s | 303 |
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| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | 1/2 | 1/2 uss extra thick st/yzn hrc 38-45 flat washer .563 x 1.375 x .156-.188 | stock |
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| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | 9/16 | 9/16 uss extra thick st/yzn hrc 38-45 flat washer .625 x 1.50 x .156-.188 | stock |
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| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | 9/16 | 9/16 uss extra thick st/yzn hrc 38-45 flat washer .625 x 1.50 x .156-.188 | stock |
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| MTP | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Yellow | 1/2 | 1/2 uss extra thick st/yzn hrc 38-45 flat washer .563 x 1.375 x .156-.188 | stock |
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| Hewes | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 USS flat 18-8s/s7/8 od .050 thick | 200 |
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| Hewes | NY | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1uss flat 18-8 ss2 od | 9 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 3/4 | USS flat er 18-8 s/s flat s flat s | 2,812 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | USS flat er 18-8 s/s flat s flat s | 1 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 1 | USS flat er 18-8 s/s flat s flat s | 4,282 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 | 1 USS flat er 18-8 s/s flat s flat s | 60 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | USS flat er 18-8 s/s flat s flat s | 2,868 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 7/8 | USS flat er 18-8 s/s flat s flat s | 1,109 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | USS flat er 18-8 s/s flat s flat s | 1,688 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x 5/8 | USS flat er 18-8 s/s flat s flat s | 4,909 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 USS f/w 1-7/8 o.d. 18-8 s/s flat s flat s | 329 |
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| SASCO | OR | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x 11/16 | USS flat er 18-8 s/s flat s flat s | 2,100 |
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| All Size | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2 | 2 uss flat washer s/s b18.22.1 | 19 |
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| All Size | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2 | 1 1/2 uss flat washer s/s b18.22.1 | 50 |
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| Valley Nu | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | ms808 18-8 ss USS hvy flat | 458 |
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| Valley Nu | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | ms811 (3/4 od) 18-8 ss USS hvy flat | 929 |
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| Valley Nu | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | ms815 (1 od) 18-8 ss USS hvy flat | 669 |
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| Valley Nu | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12 | ms809 18-8 ss USS hvy flat | 1002 |
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| Valley Nu | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-2 1/2 | 1 (2 1/2) USS flat ss ms827 | 28 |
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| Valley Nu | WA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | ms813 (7/8 od) 18-8 ss USS hvy flat | 1106 |
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