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1 1/4 inch length USS Flat Washers

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 
JacksonMSUSS Flat WasherGrade 8Zinc/Yellow7/167/16 USS gr 8 flat 1/2 idx1 1/4 od16256.1
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JacksonMSUSS Flat WasherSteelPlain7/167/16 USS flat 1/2 idx1 1/4 od 41/lb3628
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JacksonMSUSS Flat WasherSteelZinc/Clear7/167/16 USS flat 1/2 idx1 1/4 od 14 gauge 41/lb39758
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YANKEENHUSS Flat WasherSteelZinc/Clear7/16 x 1 1/4USS flat580
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