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2 1/2 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.

47 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSUSS Flat WasherSteelZinc/Clear2 1/22-1/2 USS flat 2 5/8 idx5 od4 gauge 1/lb65
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JacksonMSUSS Flat WasherSteelPlain2 1/22-1/2 USS flat 2 5/8 idx5 od 1/lb764
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Fastener OHUSS Flat WasherSteelPlain2 1/2 x 5.0 x 2 5/8uss flat 2-1/2 (od 5.0xid 2-5/8xthk 15/64 ) plain 10
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AbabaCAUSS Flat WasherSteelPlain2 1/2-52-1/2 uss f/w stl pln (5 od) b18.22.19
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ACCURATEILUSS Flat WasherSteelPlain2 1/2flat - uss19
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R&S IndusORUSS Flat WasherSteelGalvanized2 1/22 1/2 uss flat washers low carbon hdg6
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SunPackFLUSS Flat WasherSteelPlain2 1/22-1/2 uss flat plain21
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MESAFASTCAUSS Flat WasherSteelPlain2 1/2USS flat (1.04/ #)24.0
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THRDFASTFLUSS Flat WasherSteelGalvanized2 1/2USS f/w hdg b18.22.135
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THRDFASTFLUSS Flat WasherSteelPlain2 1/2USS f/w b18.22.13
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SunPackFLUSS Flat WasherSteelGalvanized2 1/22-1/2 uss flat hdg13
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ISSCOMOUSS Flat WasherSteelPlain2 1/2flat washer365 #
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ISSCOMOUSS Flat WasherSteelGalvanized2 1/2hot dip galvanized276 #
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BHAMALUSS Flat WasherSteelZinc/Clear2 1/2USS flat zn28
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Future FastenerTXUSS Flat WasherSteelBlack Oxide2 1/22-1/2 uss flat washer blk42
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JacksonMSUSS Flat WasherSteelGalvanized2 1/2USS flat hot dip 2 5/8 idx5 od 1/lb131
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DeltaTXUSS Flat WasherSteelZinc/Clear2 1/2flat washer uss zinc 2 1/2 (5 OD)134
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THRDFASTALUSS Flat WasherSteelGalvanized2 1/2USS f/w hdg b18.22.1432
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BHAMALUSS Flat WasherSteelPlain2 1/22-1/2 uss flat b18.22.1110
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BHAMALUSS Flat WasherSteelPlain2 1/22 1/2 uss flat dom b18.22.119
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Kanebridge ILUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss flat washer zinc625,000
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LibertyILUSS Flat WasherSteelZinc/Clear2 1/2USS flat zinc39
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General FMIUSS Flat WasherSteelZinc/Yellow2 1/22-1/2 uss hrdnd fw zinc yellow b18.22.174
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XL ScrewGAUSS Flat WasherSteelZinc/Clear2 1/2uss flat s zp50
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HayesCAUSS Flat WasherSteelPlain2 1/22-1/2 uss flat washer pln3
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SWACOOHUSS Flat WasherSteelPlain2 1/22 1/2 uss flt wash low stl pln47
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SunPackFLUSS Flat WasherSteelPlain2 1/2USS flat21
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Raw ProduNJUSS Flat WasherSteelGalvanized2 1/2flat washers hdg uss 2-1/247
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Field FasILUSS Flat WasherSteelGalvanized2 1/22-1/2 uss flat washer stl h.d.g.45
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Valley NuWAUSS Flat WasherSteelGalvanized2 1/2(5 od) USS cut hdg10
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (lbs)40
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (lbs)40
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Valley NuWAUSS Flat WasherSteelPlain2 1/2(5 od) uss30.5
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc40
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (pcs) 10 pcs40
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Raw ProduNJUSS Flat WasherSteelZinc/Clear2 1/2flat washers zinc uss 2-1/266
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (lbs)40
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (lbs)40
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WINAMNUSS Flat WasherSteelZinc/Clear2 1/2wsh flt uss a w st zn 2 1/2165
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LightningLAUSS Flat WasherSteelPlain2 1/2astm f844 USS flat234
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (lbs)40
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc40
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HodellOHUSS Flat WasherSteelZinc/Clear2 1/22 1/2 uss fl wash zinc (lbs) 10 lb pack40
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Wurth IndINUSS Flat WasherSteelZinc/Clear2 1/2wsh flt uss a w st zn 2 1/2 steel zinc/clear165
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THRDFASTOKUSS Flat WasherSteelPlain2 1/2USS f/w b18.22.14
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LightningLAUSS Flat WasherSteelGalvanized2 1/2astm f844 USS flat s hot dipped67
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Fastener OHUSS Flat WasherSteelPlain2 1/2uss flat washer 2-1/2 (od 5.0 x id 2-5/8 x thk 15/64 ) plain domestic |10
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