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2 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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHUSS Flat WasherSteelPlain22 uss flat stl pln b18.22.1 () () ()57
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GLFOHUSS Flat WasherGrade 8Plain22 uss flat gr 8 stl pln b18.22.1 () () ()35
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BHAMALUSS Flat WasherSteelZinc/Clear22 uss flat zn b18.22.1111
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AbabaCAUSS Flat WasherSteelZinc/Clear2-4 1/22 uss f/w stl znc (4-1/2 od) b18.22.123
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AbabaCAUSS Flat WasherSteelPlain2-4 1/22 uss f/w stl pln (4-1/2 od) b18.22.14
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AbabaCAUSS Flat WasherSteelZinc/Clear2-4 1/22 uss f/w stl znc (4-1/2 od) b18.22.15
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THRDFASTFLUSS Flat WasherSteelPlain22 USS f/w b18.22.13
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THRDFASTTNUSS Flat WasherSteelPlain22 USS f/w b18.22.134
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THRDFASTTNUSS Flat WasherGrade 8Plain22 gr 8 USS f/w b18.22.14
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THRDFASTALUSS Flat WasherSteelPlain22 USS f/w b18.22.150
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THRDFASTFLUSS Flat WasherSteelPlain22 USS f/w b18.22.16
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THRDFASTOKUSS Flat WasherSteelGalvanized22 USS f/w hdg b18.22.12
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THRDFASTOKUSS Flat WasherSteelPlain22 USS f/w b18.22.126
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All SizeTXUSS Flat WasherSteelGalvanized22 uss washer galv b18.22.173
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All SizeTXUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain22 uss flat washer s/s b18.22.119
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