Flat Washers (domestic)

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.

Flat Washer (domestic), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
TSFTXFlat WasherGrade 8Zinc/Yellow1/2- x 1.092flat washer thru-hard gr8 yz (domestic) 1/2 -od 1.092-.1.055.-thickness .121-.074.1750
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TSFTXFlat WasherGrade 8Zinc/Yellow5/8- x 1.342flat washer thru-hard gr8 yz (domestic) 5/8 -od 1.342-.1.305.-thickness .177-.108.648
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Future FastenerTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 flat washer ss (domestic)9
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Future FastenerTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 flat washer ss (domestic)21
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Future FastenerTXFlat Washer316, 317, A4 StainlessPlain1/41/4 flat washer 316 (domestic)128
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Future FastenerTXFlat Washer316, 317, A4 StainlessPlain3/83/8 flat washer 316 (domestic)3
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JacksonMSFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.406 x .875 x .050.406 x .875 od x .050 thick flat washer domestic304 stainless steel190
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SWACOOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4nas1149cn432r domestic #4 f/w 18-893
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ACFCAFlat WasherSteelPlainM5.3 x 10.0m5.3x10.0mmx1.0mm steel flatwasher plain domestic800
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YANKEENHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 1.375 x 0.086 .132military spec flat washer 1/2 id 1.375 od 0.086-.132tk 18-8 stainless steel-usa made52
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YANKEENHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-0.812 x 2.00 x .122 .1military spec flat washer 3/4 (0.812 ) id x 2.00 od .122-.177 tk 18-8 stainless steel-usa made7
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YANKEENHFlat WasherSteelPlain.780 x 1.500 x .120flat washer (special) .780 id 1.500 od .120 tk plain steel-usa made364
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BHAMALFlat WasherSteelPlain5/8crescent domestic26
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BHAMALFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 304ss flatwasher domestic b18.22.1544
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BHAMALFlat Washer316, 317, A4 StainlessPlain3/83/8 flat washer 316ss domestic b18.22.12050
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/16 x 2 1/2 x 3/81-1/16 x 2-1/2 x 3/8 thick flat washer 18-8 stainless steel domestic-phys & chem certs required b18.22.150
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.281 x .625 x .051 .080.281x.625x.051-.080 flatwasher 18-8 100% dom. b18.22.1474
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 304-ss dom. flat washer 7/8od 16ga (.062) b18.22.1378
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.812 x 1.469 x .134 100.812x1.469x.134 flat washer 302 ss 100% domestic b18.22.1249
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4 302ss f/w 1 1/2od 100% dom. b18.22.1193
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/87/8 flat washer 304-st/st domestic b18.22.1240
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-1.06 x 2 x .1341 flatwasher (1.06x2x.134 )304ss dom. b18.22.198
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ASMCILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 flat washer type-b narrow pattern-usa ss18-8227
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ASMCILFlat WasherSteelZinc/ClearM14flat narrow pattern thru-hardened-usa med carb zp50
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ASMCILFlat WasherSteelZinc/ClearM6flat narrow pattern thru-hardened-usa med carb zp350
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ASMCILFlat WasherSteelZinc/ClearM5flat narrow pattern thru-hardened-usa med carb zp350
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ASMCILFlat WasherSteelZinc/ClearM20flat narrow pattern thru-hardened-usa med carb zp575
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ASMCILFlat WasherSteelZinc/ClearM8flat narrow pattern thru-hardened-usa med carb zp3,819
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ASMCILFlat WasherSteelZinc/ClearM10flat narrow pattern thru-hardened-usa med carb zp4,813
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ASMCILFlat WasherSteelZinc/ClearM12m12 ansi b18.22m cl200 hv flat washer narrow pattern thru-hardened-usa med carb zp150
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BrikksenFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 flat washer 1-1/4 od .062 thick 304ss-domestic mfg. b18.22.170140
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BrikksenFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8 flat washer 1-1/2 od .078 thick 304ss-domestic mfg. b18.22.129720
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BrikksenFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 flat washer 3/4 od .050 thick 304ss-domestic mfg. b18.22.175000
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SunPackFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/818-8 ss flat domestic4
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SunPackFLFlat WasherSteelZinc/ClearM20m20 din 125 flat washer zinc domestic18
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SunPackFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4304 ss flat domestic11
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SunPackFLFlat Washer316, 317, A4 StainlessPlain1/4316 ss flat domestic135
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SunPackFLFlat Washer316, 317, A4 StainlessPlain11 316 ss flat domestic79
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SunPackFLFlat Washer316, 317, A4 StainlessPlain1 1/4316 ss flat domestic40
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SunPackFLFlat Washer316, 317, A4 StainlessPlain1/2316 ss flat domestic368
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SunPackFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8304 ss flat domestic100
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Wurth ConNYFlat Washer316, 317, A4 StainlessPlain1/41/4 commercial flat washer 316 stainless steel made in usa b18.22.1500
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Wurth ConNYFlat Washer316, 317, A4 StainlessPlain11 commercial flat washer 316 stainless steel made in usa b18.22.116
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 an ss flat washer usa1463
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NutsBoltsNEFlat WasherClass 8.8GalvanizedM1010mm flat washer 8.8 galv usa500
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NutsBoltsNEFlat WasherClass 8.8GalvanizedM1010mm flat washer 8.8 galv usa3449
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NutsBoltsNEFlat WasherSteelGalvanizedM66mm flat washer mech galv usa420
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NutsBoltsNEFlat WasherSteelGalvanizedM66mm flat washer mech galv usa4055
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NutsBoltsNEFlat WasherSteelGalvanizedM2020mm flat washer mech galv usa1853
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NutsBoltsNEFlat WasherSteelGalvanized66m x 18 x 1.6 thick flat washer mg usa150
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NutsBoltsNEFlat WasherSteelGalvanized66m x 18 x 1.6 thick flat washer mg usa556
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/165/16 ss flat washer usa985
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 ss flat washer usa1802
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 ss flat washer usa5974
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/21/2 ss flat washer usa400
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 ss flat washer usa1842
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4 x 1 1/23/4 x 1 1/2 ss flat washer usa264
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NutsBoltsNEFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 ss extra thick flat washer usa1907
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NutsBoltsNEFlat WasherSteelGalvanizedM3030mm flat washer galv usa50
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DeltaTXFlat Washer316, 317, A4 StainlessPlain3/8domestic flat washer 316 sst 3/886
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ASFCORPMIFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 flt wshr 304 ss usa made pkg3,721
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ASMCILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 flat washer type-b regular pattern -usa ss18-86,700
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ASMCILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/169/16 flat washer type-b narrow pattern -usa ss18-8300
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B & K FASTPAFlat WasherSteelPlain.812 x 1.75 x .1875.812 id x 1.75 od flat washers .1875 thk plain domestic b18.22.1100
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 13/163/8 x 13/16 od flat washers stainless-18-8 domestic b18.22.184
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1.062 x 2.50 x .131.062 x 2.50 x.136/.192 thk flat washers 300 series stainless ms15795-827 domestic b18.22.145
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8 x 2 1/2 x .1201 1/8 x 2 1/2 od x .120 tk flat washers stainless t304 domestic (1 1/4 id) b18.22.15
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8 x 2 3/41 1/8 id x 2 3/4 od x 3/16 thk flat washers t304 stainless steel-domestic b18.22.136
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HBBOLTCAFlat WasherSteelZinc/Clear3/8flat s usa d042004 d0420043,300
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Spring BoTXFlat WasherGrade B7PlainM12m12 flatwasher grade b7 usainquire
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AFPILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2flat 18-8 s/s domestic made in usa certs needed20
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MidStatesMIFlat WasherSteelPlain1/21/2 mcx washer domestic sc 2202
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THRDFASTFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.406 x .812 x .08018-8 ss flat b18.22.1 domestic236
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THRDFASTFLFlat Washer316, 317, A4 StainlessPlain1/4t-316 ss f/w domestic b18.22.150
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THRDFASTFLFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/818-8 ss f/w domestic b18.22.13
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THRDFASTOKFlat WasherSteelZinc/Yellow5/8 x 2 1/4 x .16special 5/8x2 1/4x.16 domestic z&y irr b18.22.164
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THRDFASTOKFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/818-8 ss f/w domestic b18.22.18
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THRDFASTOKFlat WasherSteelPlainsc-6 double cut burr usa b18.22.11
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THRDFASTALFlat Washer316, 317, A4 StainlessPlain3/4t-316 ss f/w domestic b18.22.1106
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THRDFASTMSFlat Washer316, 317, A4 StainlessPlain7/8t-316 ss flat domestic b18.22.19
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THRDFASTMSFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8t304 ss f/w domestic b18.22.18
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LibertyILFlat Washer316, 317, A4 StainlessPlain.281 x .625 x .050.281 id x .625 od x .050 thick flat 316 stainless domestic with certs MS15795-81031SD60
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MMFMIFlat WasherSteelPlain4countersunk washer ms21299c4 usa ms21299c4 b18.22.11047
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MMFMIFlat WasherAluminumAnodized1.062 x 2.500 x .165flat washer ms15795-727 usa ms15795-727 b18.22.140
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MMFMIFlat WasherBrassPlain0.219 x .469 x .049flat washer ms15795-947 usa ms15795-947 b18.22.153
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MMFMIFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.266 x .688 x .050flat washer ms15795-853 usa ms15795-853 b18.22.1497
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MMFMIFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.169 x .304 x .032flat washer nas620c8 usa b18.22.19550
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MMFMIFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.169 x .304 x .032flat washer nas620c8 usa b18.22.19550
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MasFasCorpNVFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain2 1/4 x 4 x 3/16flat 18-8 s/s domesticinquire
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MasFasCorpNVFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plainms15795-825 certified (domestic)inquire
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GLFOHFlat WasherSteelBlack OxideM10 x 19 x 3flat domestic50
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GLFOHFlat WasherSteelBlack OxideM8 x 16 x 3flat domestic50
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GLFOHFlat WasherSteelBlack OxideM14 x 25 x 3flat slt domestic50
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16flat 18-8 s/s domestic65
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.250.25 type-b flat washer regular 300 series stainless steel dfar made in usa50,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1.1251.125 type-b flat washer regular 300 series stainless steel dfar made in usa0.625
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#88 type-b flat washer regular 300 series stainless steel dfar made in usa125,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain11 type-b flat washer regular 300 series stainless steel dfar made in usa1.250
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#66 type-b flat washer regular 300 series stainless steel dfar made in usa125,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#11 type-b flat washer regular 300 series stainless steel dfar made in usa250,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#00 type-b flat washer regular 300 series stainless steel dfar made in usa250,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#33 type-b flat washer regular 300 series stainless steel dfar made in usa250,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#55 type-b flat washer regular 300 series stainless steel dfar made in usa250,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#1010 type-b flat washer regular 300 series stainless steel dfar made in usa125,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#1212 type-b flat washer regular 300 series stainless steel dfar made in usa50,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#22 type-b flat washer regular 300 series stainless steel dfar made in usa250,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#44 type-b flat washer regular 300 series stainless steel dfar made in usa250,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.750.75 type-b flat washer regular 300 series stainless steel dfar made in usa2.500
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.6250.625 type-b flat washer regular 300 series stainless steel dfar made in usa5,000
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Kanebridge ILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain0.8750.875 type-b flat washer regular 300 series stainless steel dfar made in usa1.250
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CIFILFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 flatwasher 18-8 stainless steel domestic14
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Valley NuWAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-1 1/41/2 (1 1/4od) flat 18-8ss usa6
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Valley NuWAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-1 7/83/4 (1 7/8od) 18-8 ss flat usa8
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Valley NuWAFlat WasherSteelGalvanized1/2(9/16id)x2 x 1/4 rnd plate hdg usa9
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Valley NuWAFlat WasherSteelGalvanized1/2(9/16id)x1 3/8x3/16 rnd plate hdg usa329
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Valley NuWAFlat Washer316, 317, A4 StainlessPlain1-2 1/41 (2 1/4od) flat 316ss usa37
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Valley NuWAFlat WasherSteelPlain1/2 x 1 x .53cat type ht pl usa3
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Valley NuWAFlat WasherSteelGalvanized1/4t3 x 13/161/4thx3odx13/16id a36 round plate hdg usa6
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Valley NuWAFlat WasherSteelPlain1 1/2 x 2 7/8 x 1.56cat type ht pl usa1
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Valley NuWAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain.438 x 1.000 x .0833/8 USS flat ss usa 304ss MS15795-81527
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Valley NuWAFlat WasherSteelGalvanized1/2(9/16id)x2 1/4x3/16 rnd plate hdg usa118
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Valley NuWAFlat WasherSteelGalvanized1/2(9/16)x2 x 1/8 rnd hdg usa100
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Valley NuWAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 SAE 18-8 ss flat usa 304ss MS15795-81096
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Valley NuWAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 SAE 18-8 ss flat usa 304ss MS15795-8203
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Valley NuWAFlat Washer316, 317, A4 StainlessPlain1 1/8flat 316ss usa39
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Valley NuWAFlat Washer316, 317, A4 StainlessPlain3/4-1 7/83/4 (1 7/8od) 316ss usa1
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Valley NuWAFlat WasherSteelPlain1 1/8 x 2 1/16 x 1.14cat type ht pl usa101
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LightningLAFlat WasherDuplex Stainless (2205, Ferralium etc.)Plain1/2flat duplex 2205 type-b 1-1/4 od 14 ga thk domestic637
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LightningLAFlat WasherDuplex Stainless (2205, Ferralium etc.)Plain1/2flat duplex 2205 type-b 1-1/4 od 14 ga thk domestic637
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LightningLAFlat Washer316, 317, A4 StainlessFluoropolymer (Xylan, Fluorokote, Teflon)5/8flat 316 ss tfe blue coated domestic185
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LightningLAFlat Washer316, 317, A4 StainlessFluoropolymer (Xylan, Fluorokote, Teflon)1/2flat 316 ss tfe blue coated domestic36
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