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10 inch length 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.

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Buy USS Flat Washers from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCAUSS Flat WasherSteelZinc/Yellow7/16 x 107/16 uss f/w 10/pkg hrd stl yel znc (1-1/4 od) b18.22.111
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AbabaCAUSS Flat WasherSteelZinc/Yellow1/2 x 101/2 uss f/w 10/pkg hrd stl yel znc (1-3/8 od) b18.22.17
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AbabaCAUSS Flat WasherSteelZinc/Yellow7/16 x 107/16 uss f/w 10/pkg hrd stl yel znc (1-1/4 od) b18.22.12
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AbabaCAUSS Flat WasherSteelZinc/Yellow1/2 x 101/2 uss f/w 10/pkg hrd stl yel znc (1-3/8 od) b18.22.14
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