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3/4 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 
AbabaCAUSS Flat WasherSteelPlain3/43/4 uss f/w armor coated hrd stl (2 od) b18.22.110
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AbabaCAUSS Flat WasherSteelZinc/Yellow3/43/4 uss f/w hrd stl yel znc (2 od) b18.22.1265
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AbabaCAUSS Flat WasherSteelZinc/Yellow3/4 x 53/4 uss f/w 5/pkg hrd stl yel znc (2 od) b18.22.14
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AbabaCAUSS Flat WasherSteelZinc/Yellow3/43/4 uss f/w extra thick hrd stl yel znc (2 od) b18.22.1179
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AbabaCAUSS Flat WasherSteelGalvanized3/4-23/4 uss f/w stl hdg (2 od) b18.22.12142
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AbabaCAUSS Flat WasherSteelPlain3/4-23/4 uss f/w stl pln (2 od) b18.22.1983
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AbabaCAUSS Flat WasherSteelZinc/Clear3/4-23/4 uss f/w stl znc (2 od) b18.22.11850
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AbabaCAUSS Flat WasherSteelZinc/Clear3/4-23/4 uss f/w stl znc (2 od) b18.22.1550
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GLFOHUSS Flat Washer316, 317, A4 StainlessPlain3/43/4 uss flat 316 s/s b18.22.1 () () ()166
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GLFOHUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 uss flat 18-8 s/s b18.22.1 () () ()285
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GLFOHUSS Flat WasherSteelZinc/Clear3/43/4 uss flat stl zc b18.22.1 () () ()4697
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GLFOHUSS Flat WasherSteelPlain3/43/4 uss flat stl pln b18.22.1 () () ()682
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GLFOHUSS Flat WasherSteelGalvanized3/43/4 uss flat stl hdg b18.22.1 () () ()880
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GLFOHUSS Flat WasherGrade 8Zinc/Yellow3/43/4 uss flat gr 8 stl zy b18.22.1 () () ()19238
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GLFOHUSS Flat WasherSteelZinc/Yellow3/43/4 uss flat thru-hard stl zy b18.22.1 () () ()325
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GLFOHUSS Flat WasherGrade 8Plain3/43/4 uss flat gr 8 stl pln b18.22.1 () () ()152
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GLFOHUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 uss flat 304 s/s b18.22.1 () () ()130
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GLFOHUSS Flat WasherSteelPlain3/43/4 uss flat thru-hard stl pln domestic b18.22.1 () () ()248
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GLFOHUSS Flat WasherSteelZinc/Yellow3/43/4 uss flat thru-hard stl zy domestic b18.22.1 () () ()236
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GLFOHUSS Flat WasherGrade 5Zinc/Clear3/43/4 uss flat grade 5 stl zc b18.22.1 () () ()250
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GLFOHUSS Flat WasherSteelGalvanized3/4 x 23/4x2 od uss flat -low carbon-hdgalvanized b18.22.1 () () ()367
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GLFOHUSS Flat WasherGrade 2Plain3/4 x 23/4x2 od uss flat -grade 2-low carbon-plain b18.22.1 () () ()220
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BHAMALUSS Flat WasherGrade 8Zinc/Clear3/43/4 uss flat grade 8 zinc dom b18.22.1183
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BHAMALUSS Flat WasherSteelPlain3/43/4 uss flat dom. b18.22.1216
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Irwin IndOntUSS Flat WasherSteelZinc/Clear3/43/4 uss flatwashers (13/16 id) zinc b18.22.1382
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ASMCILUSS Flat WasherGrade 8Zinc/Yellow3/4gr8 flat USS pattern-usa med carb b18.22.139
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AbabaCAUSS Flat WasherSteelZinc/Yellow3/43/4 uss f/w hrd stl yel znc (2 od) b18.22.1100
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AbabaCAUSS Flat WasherSteelZinc/Yellow3/4 x 53/4 uss f/w 5/pkg hrd stl yel znc (2 od) b18.22.13
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AbabaCAUSS Flat WasherSteelZinc/Yellow3/43/4 uss f/w extra thick hrd stl yel znc (2 od) b18.22.150
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AbabaCAUSS Flat WasherSteelGalvanized3/4-23/4 uss f/w stl hdg (2 od) b18.22.1225
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AbabaCAUSS Flat WasherSteelZinc/Clear3/4-23/4 uss f/w stl znc (2 od) b18.22.1455
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AbabaCAUSS Flat WasherSteelZinc/Clear3/4-23/4 uss f/w stl znc (2 od) b18.22.175
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3Q, Inc.ILUSS Flat WasherSteelZinc/Yellow3/43/4 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.128531
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JET FITTINGCAUSS Flat WasherSteelGalvanized3/43/4 uss flt wash low stl hdg 345008 b18.22.1764
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General FMIUSS Flat WasherSteelZinc/Clear3/43/4 uss fw zn b18.22.111125
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QFCTXUSS Flat WasherSteelPlain3/43/4 uss flat plain each 9 .812x2.00x.148 b18.22.151
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QFCTXUSS Flat WasherSteelPlain3/43/4 uss flat plain each 9 .812x2.00x.148 b18.22.134
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QFCTXUSS Flat WasherSteelPlain3/43/4 pln uss hard b18.22.1151
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QFCTXUSS Flat WasherSteelGalvanized3/43/4 uss flat hdg dom. b18.22.1280
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QFCTXUSS Flat WasherSteelPlain3/43/4 uss flat b18.22.128
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QFCTXUSS Flat WasherSteelGalvanized3/43/4 uss flat galvanized b18.22.184
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QFCTXUSS Flat WasherSteelZinc/Yellow3/43/4 uss flat zinc/yellow b18.22.1646
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QFCTXUSS Flat WasherSteelZinc/Clear3/43/4 uss flat zinc b18.22.1470
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QFCTXUSS Flat WasherSteelZinc/Clear3/43/4 uss flat zinc b18.22.1210
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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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QFCTXUSS Flat WasherSteelZinc/Clear3/4 x 93/4 uss flat zinc (9/lb 450/50lb) .812x2.00x.148 b18.22.14
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QFCTXUSS Flat WasherSteelZinc/Clear3/43/4 uss flat zinc per each 9 .812x2.00x.148 b18.22.110572
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QFCTXUSS Flat WasherSteelZinc/Clear3/43/4 uss flat zinc per each 9 .812x2.00x.148 b18.22.1401
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QFCTXUSS Flat WasherSteelZinc/Clear3/43/4 uss flat zinc per each 9 .812x2.00x.148 b18.22.1255
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QFCTXUSS Flat WasherSteelZinc/Clear3/43/4 uss flat zinc per each 9 .812x2.00x.148 b18.22.1195
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QFCTXUSS Flat WasherSteelZinc/Yellow3/43/4 yzp uss hard b18.22.1256
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QFCTXUSS Flat WasherSteelZinc/Yellow3/43/4 yzp uss hard b18.22.1250
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B & K FASTPAUSS Flat WasherSteelGalvanized3/43/4 uss flat washers hd galv b18.22.150.02
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B & K FASTPAUSS Flat WasherGrade 8Galvanized3/43/4 uss thru-hard flat washers gr 8 galv b18.22.1280
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B & K FASTPAUSS Flat WasherGrade 8Zinc/Yellow3/43/4 uss thru-hard flat washers gr 8 z yellow b18.22.176.76
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B & K FASTPAUSS Flat WasherGrade 8Zinc/Yellow3/43/4 uss flat washer gr 8 z yellow domestic b18.22.1976
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B & K FASTPAUSS Flat WasherSteelPlain3/43/4 uss flat washers plain b18.22.1183.72
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B & K FASTPAUSS Flat WasherSteelPlain3/43/4 uss flat washers plain domestic b18.22.172
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B & K FASTPAUSS Flat WasherSteelPlain3/4 x 1/43/4 uss flat washers 1/4 thick b18.22.1300
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B & K FASTPAUSS Flat WasherSteelZinc/Clear3/43/4 uss flat washers zinc b18.22.189.85
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B & K FASTPAUSS Flat WasherSteelZinc/Clear3/43/4 uss flat washers zinc domestic b18.22.164
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BHAMALUSS Flat WasherAluminumPlain3/4 x 2 5/323/4x2 1/2 uss flat 5/32tk alum b18.22.113
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JET FITTINGCAUSS Flat WasherSteelPlain3/4 x 2.000 x .156washer flat 3/4x2.000x.156 steel plain uss b18.22.1194
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WurthOntUSS Flat WasherSteelPlain3/4wsh flt uss a w rc45 (pl) 3/4 b18.22.1160
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WurthOntUSS Flat WasherSteelZinc/Yellow3/4wsh flt uss a w st (zy) 3/4 b18.22.1120
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THRDFASTFLUSS Flat WasherGrade 8Zinc/Yellow3/43/4 gr 8 USS f/w z&y domestic b18.22.12
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THRDFASTFLUSS Flat WasherGrade 8Plain3/4gr 8 USS f/w b18.22.14
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THRDFASTOKUSS Flat WasherGrade 8Plain3/4gr 8 USS f/w b18.22.1300
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THRDFASTOKUSS Flat WasherSteelGalvanized3/4USS f/w domestic hdg b18.22.144
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THRDFASTALUSS Flat WasherSteelCadmium3/4USS f/w b18.22.116
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THRDFASTALUSS Flat WasherSteelCadmium3/4USS f/w domestic b18.22.169
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KBSTNUSS Flat WasherSteelZinc/Yellow3/43/4 !hardened! uss flat/w yellowznc b18.22.11,126
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KBSTNUSS Flat WasherSteelGalvanized3/43/4 uss flat/w hdg! b18.22.12,217
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THRDFASTMSUSS Flat WasherSteelZinc/Clear3/4USS f/w domestic b18.22.118
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Wurth IndD.F.USS Flat WasherSteelPlain3/43/4 uss pattern flat washer plain low carbon steel dimension per asme b18.22.1 type-a wide420
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All SizeTXUSS Flat WasherGrade 8Plain3/43/4 gr. 8 uss flat washer domestic b18.22.12
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