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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.
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| 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 | 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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| JHP Fasteners | TX | USS Flat Washer | Steel | Zinc/Black | 7/16 | flat 7/16 uss steel zinc blk | 288 |
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