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USS Flat Washers , Grade 9 (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.
3 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 | |
| ASMC | IL | USS Flat Washer | Grade 9 | Zinc/Clear | 1/4 | gr9 tension flat USS pattern pfc9-usa zp b18.22.1 | 4,540 |
|
| Alma Bolt | MI | USS Flat Washer | Grade 9 | Zinc/Yellow | 7/16 | 7/16 uss yellow zinc flat washer grade 9 b18.22.1 | 1750 |
|
| QFC | TX | USS Flat Washer | Grade 9 | Plain | 1/2 | 1/2 pfc-9 uss cut b18.22.1 | 125 |
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