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1 1/8 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 
BHAMALUSS Flat WasherGrade 8Zinc/Yellow1 1/8 x 81-1/8 uss flat washer gr 8 yel zn b18.22.1368
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BHAMALUSS Flat WasherSteelGalvanized1 1/81-1/8 uss flat hdg b18.22.160
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GLFOHUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat stl zc b18.22.1 () () ()334
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GLFOHUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 uss flat gr 8 stl zy b18.22.1 () () ()277
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GLFOHUSS Flat WasherGrade 8Plain1 1/81-1/8 uss flat gr 8 stl pln b18.22.1 () () ()256
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GLFOHUSS Flat WasherSteelPlain1 1/81-1/8 uss flat stl pln b18.22.1 () () ()78
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GLFOHUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 uss flat thru-hard stl zy domestic b18.22.1 () () ()194
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AbabaCAUSS Flat WasherSteelPlain1 1/81 1/8 uss f/w hrd stl pln (2-3/4 od) b18.22.11
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AbabaCAUSS Flat WasherSteelZinc/Yellow1 1/81 1/8 uss f/w hrd stl yel znc (2-3/4 od) b18.22.1130
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AbabaCAUSS Flat WasherSteelGalvanized1 1/81 1/8 uss f/w stl hdg (2-3/4 od) b18.22.121
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AbabaCAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss f/w stl znc (2-3/4 od) b18.22.127
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3Q, Inc.ILUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.15885
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QFCTXUSS Flat WasherSteelPlain1 1/81 1/8 uss flat plain each 4.5 1.25x2.75x.165 b18.22.163
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QFCTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat zinc per each 1.25x2.75x.165 b18.22.1191
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QFCTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat zinc per each 1.25x2.75x.165 b18.22.110
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B & K FASTPAUSS Flat WasherGrade 8Zinc/Yellow1 1/81 1/8 uss thru-hard flat washers gr 8 z yellow b18.22.11083.97
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B & K FASTPAUSS Flat WasherSteelPlain1 1/81 1/8 uss flat washers plain b18.22.1815.03
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B & K FASTPAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washers zinc b18.22.10.11
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B & K FASTPAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washers zinc domestic b18.22.1572
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BHAMFLUSS Flat WasherGrade 8Plain1 1/81-1/8 uss flat dom. gr 8 b18.22.1177
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QFCTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss hard washer zinc b18.22.134
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WurthOntUSS Flat WasherSteelZinc/Clear1 1/8washer flt uss a w st (zn) 1 1/8 b18.22.118
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THRDFASTFLUSS Flat WasherSteelGalvanized1 1/8USS f/w hdg b18.22.140
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THRDFASTTNUSS Flat WasherGrade 8Zinc/Yellow1 1/81 1/8 gr 8 USS f/w z&y b18.22.154
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THRDFASTTNUSS Flat WasherSteelGalvanized1 1/8USS f/w hdg b18.22.111
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THRDFASTALUSS Flat WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 1/8USS f/w teflon blue b18.22.1267
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THRDFASTMSUSS Flat WasherSteelPlain1 1/8USS f/w b18.22.131
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THRDFASTOKUSS Flat WasherSteelGalvanized1 1/8USS f/w hdg b18.22.11
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THRDFASTALUSS Flat WasherSteelGalvanized1 1/8 x 1/41 1/8 USS flat hdg 1/4 thk b18.22.14
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THRDFASTALUSS Flat WasherGrade 8Plain1 1/8gr 8 USS f/w b18.22.17
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THRDFASTALUSS Flat WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 1/8USS f/w teflon blue b18.22.1148
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zdy usa domestic b18.22.1275
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zinc yellow usa domestic b18.22.1275
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zinc yellow usa domestic b18.22.1275
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zdy usa domestic b18.22.1275
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