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USS Flat Washers , Grade 5 (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.

4 results, (click on any line for more information)

Buy USS Flat Washers from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
SIIINUSS Flat WasherGrade 5Plain5/85/8 uss flat washers low carbon plain b18.22.1216
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QFCTXUSS Flat WasherGrade 5Zinc/Yellow1/21/2 uss flat thru-hardened for grade 5 & grade 8 applications yellow zinc b18.22.117200
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QFCTXUSS Flat WasherGrade 5Galvanized3/43/4 uss flat thru-hardened for grade 5 & grade 8 applications hdg domestic b18.22.1855
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Wurth IndD.F.USS Flat WasherGrade 5Plain3/43/4 uss pattern flat washer plain low carbon steel dimension per asme b18.22.1 type-a wide420
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