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1 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 
Cal FastenrsCAUSS Flat WasherNylon (Polyamide)Plain.400 x 1 x 062 3/8 17.400 idx1 odx062 thick nylon f/w 3/8 uss 17w10002 mwny1040 17w10002 mwny1040900
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JacksonMSUSS Flat WasherGrade 8Zinc/Yellow3/83/8 USS gr 8 flat 7/16 idx1 od dom..50
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JacksonMSUSS Flat WasherGrade 8Zinc/Yellow3/83/8 USS gr 8 flat 7/16 idx1 od44273.2
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JacksonMSUSS Flat WasherSteelPlain3/83/8 USS flat 7/16 idx1 od 67/lb4670
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JacksonMSUSS Flat WasherSteelZinc/Clear3/83/8 USS flat 7/16 idx1 od 14 gauge 67/lb103238
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YANKEENHUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 13/8 x 1 uss std flat washer .062tk 18-8 stainless steel946
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YANKEENHUSS Flat WasherSteelZinc/Clear3/8 x 1USS flat3886
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