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2 3/4 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.

13 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
YANKEENHUSS Flat WasherSteelZinc/Clear2 3/4 x 5 1/42-3/4 x 5 1/4 uss flat washer steel zinc plated4
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JacksonMSUSS Flat WasherSteelZinc/Clear2 3/42-3/4 USS flat 2 7/8 idx5 1/4 od 3 gauge .9/lb117
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AbabaCAUSS Flat WasherSteelPlain2 3/4-5 1/42-3/4 uss f/w stl pln (5-1/4 od) b18.22.11
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SunPackFLUSS Flat WasherSteelPlain2 3/42-3/4 uss flat plain38
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THRDFASTFLUSS Flat WasherSteelPlain2 3/4USS f/w b18.22.1237
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SRFALUSS Flat WasherSteelPlain2 3/4USS flat3
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THRDFASTALUSS Flat WasherSteelPlain2 3/4USS f/w b18.22.14
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WDMBIAUSS Flat WasherSteelPlain2 3/4flat uss a w st (pl) 2 3/425
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Kanebridge ILUSS Flat WasherSteelZinc/Clear2 3/42 3/4 uss flat washer zinc625,000
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SunPackFLUSS Flat WasherSteelPlain2 3/4USS flat38
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LightningLAUSS Flat WasherSteelGalvanized2 3/4astm f844 USS flat hot dipped339
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EmpireWAUSS Flat WasherSteelPlain2 3/42 3/4 (#) uss flat washer pla31
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THRDFASTOKUSS Flat WasherSteelGalvanized2 3/4USS f/w hdg b18.22.14
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