.375 Flat Washers

Flat Washers, or just Plain Washers, are a flat annulus or ring, often of metal, used to spread the load from the head of a screwed fastening to the base material. Flat washers are used to increase the bearing surface of a nut or fastener's head thus spreading the clamping force over a larger area.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
CenturyFLFlat WasherNylonPlain.375 x .223 x 1/16.375 x .223 x 1/16 f/w nylon blk1,500
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HayesCAFlat WasherNylonPlain.375 x .448 x .025.375 x .448 x .025 flat washer nylon thickness = .020/.025 id/od tolerance = +/-.002491
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HayesCAFlat WasherNylonPlain.375 x .490 x .087.375 x .490 x .087 flat washer nylon3900
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AFIFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .484 x .01.375 x .484 x .01 flat round washer ss2840
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ACFCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.375 x .500 x .0240.375x.500x.024 s/s flatwasher133
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ACFCAFlat WasherBrassNickel0.375 x .500 x .0200.375x.500x.020 brass flatwasher nickel plated30121
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ACFCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.375 x .500 x .0240.375x.500x.024 s/s flatwasher133
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ACFCAFlat WasherNylonPlain0.375 x .500 x .0310.375x.500x.031 nylon flatwasher1110
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ACFCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.375 x .500 x .0050.375x.500x.005 s/s flatwasher600
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HayesCAFlat WasherNylonPlain.375 x .500 x .031.375 x .500 x .031 flat washer blk nylon63
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AFIFLFlat WasherNylonPlain.375 x .5 x .015.375 x .5 x .015 flat washer nylon2612
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .56 x .06.375 x .56 x.06 thk flat washers stainless b18.22.1637
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KomarILFlat WasherSteelNickel.375 x .562 x .032flat5,000
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SJS ProdCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .563 x .030.375 x .563 x .030 flat washer ss12514
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LibertyILFlat WasherCopperPlain.375 x 9/16 x .032.375+x9/16-x .032 flat soft soft34
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ACFCAFlat WasherCopperPlain0.375 x .562 x .0320.375x.562x.032 copper f/w776
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BAYFASTCOFLFlat WasherSteelPlain.375 x .562 x .062.375 x .562 x .062 flat washer98180
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GLFOHFlat WasherNylonPlain0.375 x 0.562 x 0.030flat nyl washer200
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AmericanNYFlat WasherSteelZinc/Yellow.375 x .595 x .018flat zy80200
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Cal FastenrsCAFlat WasherNylonPlain.375 x .594 x .234.234 x .375 x .594 x .032 ret/wash. nyl. (1/4) 16fwrt250032345
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MESAFASTCAFlat WasherNylonPlain.375 x .630 x .032flat500.0
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CenturyFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .625 x .001 301.375 x .625 x .001 301 stainless2,063
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Purchase MOFlat WasherSteelNickel.375 x .625 x .028.375 x .625 x .028 f/w stl nickel10000
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CenturyFLFlat WasherSteelPlain0.375 x 0.625 x 0.010flat washer 0.375 x 0.625 x 0.010450
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CenturyFLFlat WasherSteelPlain.375 x .625 x .005flat washer .375 x .625 x .0058,250
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CenturyFLFlat WasherSteelPlain0.375 x 0.625 x 0.015flat washer 0.375 x 0.625 x 0.015175
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CenturyFLFlat WasherSteelPlain0.375 x 0.625 x 0.020flat washer 0.375 x 0.625 x 0.020125
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CenturyFLFlat WasherSteelPlain.375 x .625 x .062f/w .375 x .625 x .062 thk1,960
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AmericanNYFlat WasherSteelNickel.375 x .625 x .017flat pl.1500
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OBRIENOHFlat WasherSteelZinc/Clear.375 x .625 x .035.375 id .625 od .035 thk f/w920
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ACFCAFlat WasherFiberPlain0.375 x .625 x .0620.375x.625x.062 fibre flatwasher200
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ACFCAFlat Washer316, 317, A4 StainlessPlain0.375 x .625 x .0450.375x.625x.045 s/s flatwasher 3168
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Cal FastenrsCAFlat WasherSteelNickel.375 x .625 x .030f/w7,000
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Cal FastenrsCAFlat WasherNylonPlain.375 x .625 x .032.375 id x .625 od x .032 thick flat500
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KomarILFlat WasherSteelNickel.375 x .625 x .032flat2,400
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QCSORFlat WasherNylonPlain.375 x .625 x .032.375 x .625 x .032 flatwasher nylon essentra2,500
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General FMIFlat WasherSteelZinc/Clear.375 x .625 x .025.375 x .625 x .025 fw zn b18.22.1400
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ACFCAFlat WasherFiberPlain0.375 x .625 x .0620.375x.625x.062 fibre flatwasher200
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ACFCAFlat WasherSteelPlain0.375 x .625 x .0100.375x.625x.010 steel light oil flatwasher180
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ACFCAFlat WasherSteelZinc/Clear0.375 x .625 x .0300.375x.625x.030 steel flatwasher z/p356
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ACFCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.375 x .625 x .0100.375x.625x.010 s/s flatwasher35
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ACFCAFlat WasherSteelNickel0.375 x 0.625 x .0200.375x0.625x.020 steel flat washer nickel plated rohs6000
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ACFCAFlat Washer316, 317, A4 StainlessPlain0.375 x .625 x .0450.375x.625x.045 s/s flatwasher 3168
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AccutiteCAFlat WasherSteelNickel.375 x .625 x .020flat6670
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HayesCAFlat Washer316, 317, A4 StainlessPlain.375 x .625 x .025.375 x .625 x .025 316 ss flat washer400
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QCSORFlat WasherNylonPlain.375 x .625 x .032.375 x .625 x .032 flatwasher nylon essentra2,500
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AFIFLFlat WasherSteelPlain.375 x .625 x .024.375 x .625 x .024 flat washer steel1572
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MAINSOURCNHFlat WasherSteelPlain.375 x .625 x .032z f/w5658
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AFIFLFlat WasherNylonPlain.375 x .625 x .032.375x.625x.032 flat washer nylon3900
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CenturyFLFlat WasherSteelPlain.375 x .656.375 x .656 spec countersunk f/w washer40
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GLFOHFlat WasherSteelZinc/Clear0.375 x 0.650 x 0.063flat stl zc175
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KomarILFlat WasherSteelZinc/Clear.375 x .687 x .062flat200
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RCFastAZFlat WasherSteelPlain.375 x .734 x .083.375x.734x.064 flat stl cad 2 MS27183-55inquire
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CenturyFLFlat WasherSteelPlain.375 x .734 x .083ms27183-5588
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CenturyFLFlat WasherSteelPlain.375 x .734 x .056 .071.375 x .734 x .056-.071 flat washer2,000
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KomarILFlat WasherSteelZinc/Yellow.375 x .734 x .065flat363
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QCSORFlat WasherSteelPlain.375 x .734 x .083.375 x .734 x .079 flat wshr stl cadmium ms27183-55300
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QCSORFlat WasherSteelPlain.375 x .734 x .083.375 x .734 x .079 flat wshr stl cadmium ms27183-55300
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YANKEENHFlat WasherNylonPlain.375 x .750 x .062flt wshr.375id .750od .062tk-blk nylon 3/81103
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YANKEENHFlat WasherSteelPlain.375 x .750 x .060spec .375id .750od .0604765
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YANKEENHFlat WasherBrassPlain.375 x .750 x .080spec .375id .750od .080419
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ACFCAFlat WasherFiberPlain.375 x .750 x .062.375x.750x.062 fibre f/w92
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ACFCAFlat WasherPlasticPlain0.375 x .750 x .0310.375x.750x.031 delrin flatwasher1400
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SJS ProdCAFlat WasherNylonPlain.375 x .750 x .0613/5 f/w 375id x 750od x 061thk nylon
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FastWareSaskFlat WasherSteelZinc/Yellow0.375 x 0.750 x 0.060.375 idx0.750 odx0.06 thick flat3,669
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LibertyILFlat WasherSteelPlain.375 x .750 x .083flat1,000
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QCSORFlat WasherNylonPlain.375 x .750 x .062.375 x .750 x .062 flatwasher nylon natural essentra2,000
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QCSORFlat WasherFiberPlain.375 x .750 x .062.375 x .750 x .062 flatwasher fibre seastrom2,114
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ACFCAFlat WasherFiberPlain.375 x .750 x .062.375x.750x.062 fibre f/w92
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ACFCAFlat WasherNylonPlain0.375 x .750 x .0620.375x.750x.062 nylon flatwasher2
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ACFCAFlat WasherSteelZinc/Clear0.375 x .750 x .0200.375x.750x.020 steel flatwasher z/p rohs compliant40000
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ACFCAFlat WasherSteelZinc/Clear0.375 x .750 x .0200.375x.750x.020 steel flatwasher z/p rohs2400
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ACFCAFlat WasherPlasticPlain0.375 x .750 x .0310.375x.750x.031 delrin flatwasher1400
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ACFCAFlat WasherRubber, Buna-N etc.Plain0.375 x .750 x .0620.375x.750x.062 neoprene flatwasher6
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ACFCAFlat WasherSteelPlain0.375 x .750 x .0600.375x.750x.060 steel flatwasher plain200
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HayesCAFlat WasherSteelNickel.375 x 3/4 x .030.375 x 3/4 x .030 f/w steel nickel200
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BAYFASTCOFLFlat WasherSteelPlain.375 x .750 x .050.375 x .750 x .050 flat washer312
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QCSORFlat WasherNylonPlain.375 x .750 x .062.375 x .750 x .062 flatwasher nylon natural essentra5,000
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QCSORFlat WasherFiberPlain.375 x .750 x .062.375 x .750 x .062 flatwasher fibre seastrom2,114
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ManscoMIFlat WasherNylonPlain.375 x .750 x .031.375 idx.750 odx.031 thk f/w nylatron1,180
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GLFOHFlat WasherSteelZinc/Clear0.375 x 0.750 x 0.020flat zc washer2000
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AFIFLFlat WasherNylonPlain.375 x .750 x .025.375 x .750 x .025 nylon flat washer396
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ManscoMIFlat WasherNylonPlain.375 x .750 x .025.375 idx.750 odx.025 thk f/w blk739
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SBSMAFlat WasherSteelPlain.375 x .750 x .065fl wshr
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WurthINFlat WasherSteelPlain.375 x .812 x .060 .063.375 x .812 x .060-.063 thk flat washer 1074 steel rc58 min hardness30,000
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ManscoMIFlat WasherSteelZinc/Yellow.375 x .812.375 idx.812 odx.125 thk f/w znc 100/box200
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YANKEENHFlat WasherSteelPlain.375 x .875 x .125spec washer .375id .875od .125 steel8
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CenturyFLFlat WasherSteelPlain.375 x .875 x .062.375 id x .875 od x .062 thk flat wash432
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CenturyFLFlat WasherSteelPlain.375 x .875 x .062.375 id x .875 od x .062 thk flat wash1750
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AmericanNYFlat WasherAluminumPlain.375 x .875 x .083ms15795-713 .375 x .875 x .083 f/w alum500
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SISAZFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .875 x 0.062.375 idx.875 odx0.062 thick flat 18-8 s/s1800
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ACFCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.375 x .875 x .0830.375x.875x.083 s/s flatwasher1000
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ACFCAFlat WasherNylonPlain0.375 x .875 x .0400.375x.875x.040 nylon flatwasher300
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ManscoMIFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .875.375 idx.875 odx.125 thk f/w 18-8 s/s z9097ss 100/box150
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FastWareSaskFlat WasherSteelPlain0.375 x 0.875 x 0.1560.375 idx0.875 odx0.156 thick flat2,191
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LibertyILFlat WasherSteelPlain0.375 x .875 x .0403/8 x .875 .050 flat / brass ms15795-951 brass brass47
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LibertyILFlat WasherAluminumPlain.375 x .875 x .0833/8 x 7/8 x .083 flat ms15795-713 aluminum277
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QCSORFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .875 x .083.375 x .875 x .083 flatwasher ss ms15795-8131,000
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APIIAFlat WasherSteelZinc/Clear.375 x .875 x .083flat jds24 zncl942
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ACFCAFlat WasherPlasticPlain.375 x .875 x .062.375x.875x.062 pvc washer600
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ACFCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.375 x .875 x .0830.375x.875x.083 s/s flatwasher6274
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ACFCAFlat WasherNylonPlain0.375 x .875 x .0400.375x.875x.040 nylon flatwasher300
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QCSORFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .875 x .083.375 x .875 x .083 flatwasher ss ms15795-8131,000
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RCFastAZFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .930 x .0633/8 flat .375x.930x.063 18-8 304inquire
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Irwin IndOntFlat WasherRubber, Buna-N etc.Plain.375 x 1.00 x .125.375x1.00x.125 flat washer black neoprene b18.22.1100
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AIHAZFlat WasherRubber, Buna-N etc.Plain.375 x 1 x .125min sbr rubber cotton reinforced707
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AIHAZFlat WasherRubber, Buna-N etc.Plain.375 x 1 x .125min sbr rubber cotton reinforced707
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General FMIFlat WasherSteelBlack Oxide.375 x 1.00 x .125.375 x 1.00 x .125 polyethylene wsh blk b18.22.114,740
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ACFCAFlat WasherNylonPlain0.375 x 1.000 x .0620.375x1.000x.062 nylon flatwasher350
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AccutiteCAFlat WasherNylonPlain.375 x 1.00 x .257.375 id x 1.00 od x .257 thk per sample and printernal black24,573
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HayesCAFlat WasherNylonPlain.375 x 1.00 x .062.375 x 1.00 x .062 flat washer nylon8
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MAINSOURCNHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x 1.00 x .062ss f/w82
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TimberlineCOFlat WasherNylonPlain.375 x 1 x .321nyl wash bla .321 id 1 od .3752875
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MAINSOURCNHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x 1.00 x .060ss f/w208
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AALLNJFlat WasherRubber, Buna-N etc.Plain0.375 x 1 x 0.0620.375 id x 1 od x 0.062 thick, rubber washer, black175
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AccutiteCAFlat WasherFiberPlain.375 x 1.13 x .010th fibre black per smc # 5602-49-010552
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JacksonMSFlat WasherSteelZinc/Clear.375 x 1.25 x .187.375 idx1.25 odx.187 special194
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Alma BoltMIFlat WasherSteelPlain.375 x 1.250 x .125.375 idx1.250 odx.125 tk flat (specials only)600
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YANKEENHFlat WasherSteelPlain.375 x 1.75 x .058spec .375id 1.75od .05886
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YANKEENHFlat WasherSteelPlain.375 x 1.75 x .120spec .375id 1.75od .1201670
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General FMIFlat WasherSteelZinc/Clear.375 x 2.25 x .06.375 x 2.25 x .06 fw zn b18.22.1900
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KomarILFlat WasherSteelPlain.375 x 2.875 x .062flat3,900
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OlanderCAFlat WasherSteelBlack Oxide.375 x 4 x .0314 x .375 od x .031 thk f/w blk nyl941
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AALLNJFlat WasherSteelZinc/Clear.375-.406 x 4 x 12 .097 .1.375-.406id x 4 od x 12 ga (.097-.110th) flat , , rohs compliant839
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OlanderCAFlat WasherSteelPlain.375 x 4 x .0314 x .375 od x .031 thk f/w nyl3995
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OlanderCAFlat WasherSteelPlain.375 x 4 x .0404 x .375 od x .040 thk f/w nyl3603
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OlanderCAFlat WasherFiberPlain.375 x 4 x .0324 x .375 od x .032 thk f/w fibre2923
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OlanderCAFlat WasherFiberPlain.375 x 6 x .0326 x .375 od x .032 thk f/w fibre1532
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OlanderCAFlat WasherFiberPlain.375 x 6 x .0626 x .375 od x .062 thk f/w fibre8855
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MasFasCorpNVFlat WasherFiberPlain.375 x .5 x .032flat fibreinquire
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OlanderCAFlat WasherSteelFluoropolymer (Xylan, Fluorokote, Teflon).375 x 8 x .0318 x .375 od x .031 thk f/w teflon5082
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OlanderCAFlat WasherSteelPlain.375 x 8 x .0938 x .375 od x .093 thk f/w nyl3317
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OlanderCAFlat WasherFiberPlain.375 x 8 x .0318 x .375 od x .031 thk f/w fibre1185
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OlanderCAFlat WasherNylonZinc/Clear.375 x 8 x .0328 x .375 od x .032 thk f/w nyl rohs2529
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OlanderCAFlat WasherSteelPlain.375 x 8 x . 0328 x .375 od x .032 thk f/w nyl5800
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OlanderCAFlat WasherFiberPlain.375 x 10 x .06210 x .375 od x .062 thk f/w fibre2890
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MasFasCorpNVFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375 x .75 x .02flat full hard 18-8 304inquire
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CenturyFLFlat WasherSteelPlain.375 x 015 x .151.151 x .375 x 015 flat washer seastrom 5610-14-151500
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CenturyFLFlat WasherSteelPlain.375ms21299-6665
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CenturyFLFlat WasherSteelPlain.375ms9320-12621
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CenturyFLFlat WasherSteelPlain.375ms9549-12453
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CenturyFLFlat WasherSuperalloy (Inconel, Hastelloy, Alloy 20)Plain.375nas1149e0632p1205
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SISAZFlat WasherNylonPlain.375 x . x .032.375x.194x.032 flat black4400
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Cal FastenrsCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375+/-.005 x .625 +/-.005 x .027+.002-.003 f/w-18-8 3041,000
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SJS ProdCAFlat WasherNylonPlain.375f/w nylon .375od/.219id/.125thk5
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.375.375-.875 military flat washer 300 series stainless steel dfar black ox ms15795-813b12.500
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.3750.375 type-b flat washer regular 300 series stainless steel dfar made in usa25,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.3750.375 type-b flat washer wide 300 series stainless steel dfar made in usa6.250
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.3750.375 type-b flat washer narrow 300 series stainless steel dfar made in usa50,000
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AIHAZFlat WasherSteelPlain.3753/8 flat ams 5510 MS9549-12432
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ManscoMIFlat WasherSteelZinc/Clear.375wx.75lx.06thk w/7/32 hole oval f/w 4000/box2,240
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HewesNYFlat WasherSteelPlain.375flat washer17
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AFIFLFlat WasherNylonPlain.375.375 odx.194 x.093 blk nylon flat washer4000
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