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2 3/4 USS Flat Washers (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.
2 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 | Plain | 2 3/4-5 1/4 | 2-3/4 uss f/w stl pln (5-1/4 od) b18.22.1 | 1 |
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| THRDFAST | FL | USS Flat Washer | Steel | Plain | 2 3/4 | USS f/w b18.22.1 | 237 |
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