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USS Flat Washers , Black Oxide (ASME B18. 22.1)
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.
9 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 | |
| Ababa | CA | USS Flat Washer | Steel | Black Oxide | 5/16 | 5/16 uss f/w extra thick hrd stl al-2000 black (7/8 od) b18.22.1 | 1213 |
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| Ababa | CA | USS Flat Washer | Steel | Black Oxide | 1/4 uss f/w stl blk ox wax (3/4 od) b18.22.1 | 3275 |
| |
| JET FITTING | CA | USS Flat Washer | Steel | Black Oxide | 1/4 | 1/4 uss f/w steel blk ox 14WUSSB b18.22.1 | 24723 |
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| JET FITTING | CA | USS Flat Washer | Steel | Black Oxide | 3/8 x .375 | 3/8 (.375) uss flat steel black oxide 37WUSSB b18.22.1 | 6914 |
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| QFC | TX | USS Flat Washer | Steel | Black Oxide | 5/8 | 5/8 uss flat washer black oxide b18.22.1 | 550 |
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| QFC | TX | USS Flat Washer | Steel | Black Oxide | 1/2 | 1/2 uss flat washer black oxide b18.22.1 | 1958 |
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| JET FITTING | CA | USS Flat Washer | Steel | Black Oxide | 1/4 x .750 x .062 | 1/4x.750x.062 flat washer steel black oxide uss b18.22.1 | 13000 |
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| JET FITTING | CA | USS Flat Washer | Steel | Black Oxide | 1/2 x 1 3/8 x .109 | 1/2x1-3/8x.109 uss flat washers steel black oxide b18.22.1 | 388 |
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| WSB | KY | USS Flat Washer | Steel | Black Oxide | 1/2 | washer flat uss a w st (bo) 1/2 b18.22.1 | 40,978 |
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