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USS Flat Washers , ASTM F1941-10 Fe/Zn
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 | |
| IRF | NJ | USS Flat Washer | Steel | ASTM F1941-10 Fe/Zn | 5/16 | USS flat clr stl zinc iron clear Cr3+ with sealer | 239 |
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