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USS Flat Washers , Class 12.9
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.
4 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 | |
| Global | CA | USS Flat Washer | Class 12.9 | Plain | 1/4 | USS flat (12.9) | 180 |
|
| Global | CA | USS Flat Washer | Class 12.9 | Plain | 5/16 | USS flat (12.9) | 904 |
|
| Global | CA | USS Flat Washer | Class 12.9 | Plain | 3/8 | USS flat (12.9) | 589 |
|
| Global | CA | USS Flat Washer | Class 12.9 | Plain | 7/16 | USS flat (12.9) | 187 |
|
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