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USS Flat Washers , Zinc/Black
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.
77 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 | |
| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Black | 3/8 | 3/8 flat uss steel black zinc (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) | 2460 |
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| Mansco | MI | USS Flat Washer | Steel | Zinc/Black | .30 | 7/.327 idx.727/.749 odx.051/.080 thk-1/4 USS f/w blk znc | 911 |
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| Mansco | MI | USS Flat Washer | Steel | Zinc/Black | 1/4 uss f/w triv blk znc-.307/.327 id x .727/.749 od x .051/.080 thk | 13762 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Black | 5/16 | 5/16 uss f/w w/super seal stl blk znc (7/8 od) b18.22.1 | 80 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat stl zinc black b18.22.1 () () () | 35675 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Black | 1/4 0.071/0.082 | 1/4 uss flat 0.071/0.082 thk stl zinc black b18.22.1 () () () | 8000 |
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| Bostwick | IN | USS Flat Washer | Steel | Zinc/Black | 5/16 | black zinc 5/16 uss flat washer | 8731 |
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| Century | FL | USS Flat Washer | Steel | Zinc/Black | 3/8 | 3/8 uss f/w steel black/zinc | 884 |
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| SJS Prod | CA | USS Flat Washer | Steel | Zinc/Black | #10 | #10 flat washer uss st blk zn rohs | 5920 |
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| Century | FL | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flatwasher stl black zinc (TRIV. (ROHS COMPLIANT) 5000 PER) (TRIV. (ROHS COMPLIANT) 5000 PER) | 17325 |
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| Hayes | CA | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat washer blk zc | 335 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Black | 3/8 | USS f/w black -waxed porte/binde | 2,800 |
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| Endries | WI | USS Flat Washer | Steel | Zinc/Black | #10 uss flat washer stl blk zn | 5500 |
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| Century | FL | 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. domesticparts only (rohs comp.) pkg 3000 per | 54275 |
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| Olander | CA | USS Flat Washer | Steel | Zinc/Black | 1/2 | 1/2 uss f/w blk zn stl non-rohs () | 399 |
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| Olander | CA | USS Flat Washer | Steel | Zinc/Black | 1/4 uss f/w blk zn stl non-rohs | () | 92 |
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| 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 |
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| Century | NY | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat stl black zinc triv. (rohs compliant) 5000 per | 31325 |
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| Century | NY | USS Flat Washer | Steel | Zinc/Black | 3/8 uss f/w steel black/zinc | 884 |
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| Liberty | IL | USS Flat Washer | Steel | Zinc/Black | 3/16 | USS flat black | 52,750 |
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| Komar | IL | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat zinc black trivalent | 4428 |
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| Komar | IL | USS Flat Washer | Steel | Zinc/Black | 3/8 x 7/16 x 1 | 3/8 uss flat 7/16x1x5/64 black zinc | 950 |
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| Komar | OH | USS Flat Washer | Grade 8 | Zinc/Black | 5/16 uss flat washer 3/8 x 7/8 x 5/64 grade 8 zinc black trivalent | 5000 |
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| Field Fas | IL | USS Flat Washer | Steel | Zinc/Black | 5/16 uss flat washer hardened stl blk zc 72 hours | 8,842 |
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| METRO IND | OH | USS Flat Washer | Steel | Zinc/Black | 5/16 | USS flat | 8449 |
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| SWACO | OH | USS Flat Washer | Steel | Zinc/Black | 1/4 x 500 | 1/4 uss flatwasher zinc/black 500 hour | 520 |
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| Komar | IL | USS Flat Washer | Steel | Zinc/Black | 1/4 | USS flat wshr black Cr3+ | 4428 |
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| Komar | IL | USS Flat Washer | Steel | Zinc/Black | 3/8 | USS flat 7/16x1x5/64 black | 950 |
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| JHP Fasteners | TX | USS Flat Washer | Steel | Zinc/Black | 7/16 | flat 7/16 uss steel zinc blk | 288 |
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| Purchase | MO | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss f/w stl blk zinc | 66 |
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| IPC | VA | USS Flat Washer | Steel | Zinc/Black | 5/16 | 5/16 uss flat blk zn | 28,154 |
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| IPC | VA | USS Flat Washer | Steel | Zinc/Black | 3/8 | 3/8 uss flat steel cr3 black zinc rohs | 743 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Black | #10 | #10 fw uss black zinc b18.22.1 | 8385 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Black | 5/16 | 5/16 uss flat steel black zinc b18.22.1 | 500 |
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| Arden | WI | USS Flat Washer | Steel | Zinc/Black | 1/2 | 1/2 fw uss stl zb | inquire |
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| ACF | CA | USS Flat Washer | Steel | Zinc/Black | 0.375 x .875 x .083 | 0.375x.875x.083 uss steel flatwasher black zinc rohs compliant | 1369 |
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| ACF | CA | USS Flat Washer | Steel | Zinc/Black | 0.313 x .734 x .065 | 0.313x.734x.065 uss steel flatwasher black zinc rohs compliant | 2500 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | #10 | #10 uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 1 | 1 inch uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 7/16 | 7/16 uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 5/16 | 5/16 uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 1/2 | 1/2 uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 3/8 | 3/8 uss flat washer black zinc | 625,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 3/4 | 3/4 flat washer uss blk zinc | 250,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 5/8 | 5/8 flat washer uss blk zinc | 250,000 |
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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Black | 7/8 | 7/8 flat washer uss blk zinc | 250,000 |
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| NAPPCO | TX | USS Flat Washer | Steel | Zinc/Black | 5/16 | 5/16 flatwasher uss steel black zinc | 9425 |
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| OSSCO | RI | USS Flat Washer | Grade 2 | Zinc/Black | 1/4 | 1/4 flat uss grade 2 black zinc b18.22.1 | 200 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat washer steel black zinc b18.22.1 | 500 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Black | 5/8 | 5/8 uss flat washer black zinc b18.22.1 | 500 |
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| ZAL INDUS | CA | USS Flat Washer | Nylon (Polyamide) | Zinc/Black | 5/16 | 5/16 uss flat washer nylon black zinc | 2,170 |
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| Wurth Ada | MN | USS Flat Washer | Silicon Bronze | Zinc/Black | 5/16 | washer flat uss a w steel (bz) 5/16 | 163,005 |
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| Wurth Ada | MN | USS Flat Washer | Silicon Bronze | Zinc/Black | 5/8 | washer flat uss a w steel (bz) 5/8 | 10,951 |
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| Wurth Ada | MN | USS Flat Washer | Silicon Bronze | Zinc/Black | 3/8 | washer flat uss a w steel (bz) 3/8 | 7,281 |
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| Wurth Ada | MN | USS Flat Washer | Silicon Bronze | Zinc/Black | 1/2 | washer flat uss a w steel (bz) 1/2 | 5,801 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Black | 3/16 #10 | 3/16 USS f/w black(#10 uss) | 1295 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Black | 1/4 | USS f/w blackchromate | 5558 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Black | 5/16 | USS f/w blackchromate | 90 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Black | 3/8 | USS f/w black | 6405 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Black | 1/2 | USS f/w black1300 pcs/50 lbs | 1690 |
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| Davis | IL | USS Flat Washer | Steel | Zinc/Black | 3/8 | 3/8 uss flat washer-steel black zinc b18.22.1 | 1,500 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1 3/8 | (3 1/4 od) USS cut zb | 27.5 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1/4 (3/4 od) USS zb | 9421 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1 1/4 | (3 od) USS cut zb | 6 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 5/8-1 3/4 | 5/8 (1 3/4 od) USS zb | 692 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1/2-1 3/8 | 1/2 (1 3/8 od) USS zb | 1711 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1 1/2 | (3 1/2 od) USS zb | 101 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1-2 1/2 | 1 (2 1/2 od) USS zb | 231.5 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1 1/8 | (2 3/4 od) USS cut zb | 95 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 9/16-1 1/2 | 9/16 (1 1/2 od) USS cut zb | 661.5 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 3/16 (9/16 od) USS cut zb | 25077 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 7/8-2 1/4 | 7/8 (2 1/4 od) USS cut zb | 278 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 3/4-2 | 3/4 (2 od) USS zb | 159 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 7/16-1 1/4 | 7/16 (1 1/4 od) USS cut zb | 1545.5 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 3/8-1 | 3/8 (1 od) USS zb | 1353 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 5/16 (7/8 od) USS zb | 2483 |
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