FCH News

#6 Flat Washers (ASME B18. 22.1)

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 
Irwin IndOntFlat WasherNylon (Polyamide)Plain#6keystone 3349 #6 nylon flat washer b18.22.12500
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Irwin IndOntFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6ms15795-806 stainless steel military specifications b18.22.1 4760
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Irwin IndOntFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x .375#6 flat washer stainless steel od .375 thickness .031 b18.22.13000
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Irwin IndOntFlat WasherBrassPlain#6#6 large pattern f/w brass b18.22.11900
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Irwin IndOntFlat WasherNylon (Polyamide)Plain#6#6 flatwashers nylon .032 # 16fw006032 b18.22.11000
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Irwin IndOntFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#6#6 stainless steel flatwasher black oxide b18.22.12700
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 flat 18-8 s/s ms-805 b18.22.1 () () ()2951
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 flat 18-8 s/s b18.22.1 () () ()946
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 sml pat flat 18-8 s/s b18.22.1 () () ()876
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6#6 (.156x.312x.035) ss flat/ 304ss MS15795-805 b18.22.1 () () ()2522
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6#6 (.156x.375x.049) ss flat/ 304ss MS15795-806 b18.22.1 () () ()695
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GLFOHFlat WasherBrassPlain#6 x 0.875 x 1.828#6 (0.875 idx1.828 od) flat brs b18.22.1 () () ()288
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GLFOHFlat WasherSteelPlain#6#6(.149x.375x.016) steelflat/ cad/ye AN960-6L b18.22.1 () () ()2250
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AbabaCAFlat WasherSteelPlain#6#6 reg series f/w steel yel plt (3/8 od) b18.22.12600
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AbabaCAFlat WasherSteelPlain#6#6 lite series f/w yel plt (3/8 od) b18.22.16273
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#620 f/w #6 s/s (.143 x .267 x .032) b18.22.1722
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AbabaCAFlat WasherNylon (Polyamide)Plain#6 x 5/16#6 x 5/16 flat wsh .032 thk nylon b18.22.113294
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AbabaCAFlat WasherNylon (Polyamide)Plain#6 x 5/16#6 x 5/16 f/w .062 thk nylon b18.22.12586
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 flat washer stainless b18.22.14090
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AbabaCAFlat Washer316, 317, A4 StainlessPlain#6#6 f/w 316 s/s b18.22.133
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AbabaCAFlat WasherBrassPlain#6#6 f/w small brass (1890 pcs/lb) b18.22.1438
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AbabaCAFlat WasherBrassNickel Plated#6#6 f/w small brass nkl b18.22.11084
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 f/w s/s b18.22.17985
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 f/w lt pat s/s b18.22.13540
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AbabaCAFlat WasherFiberPlain#6 x 1/4#6 x 1/4 fiber wsh .062 thk b18.22.14135
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AbabaCAFlat WasherSteelPlain#6#6 reg series f/w steel yel plt (3/8 od) b18.22.1400
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AbabaCAFlat WasherSteelPlain#6#6 lite series f/w yel plt (3/8 od) b18.22.1200
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AbabaCAFlat WasherNylon (Polyamide)Plain#6 x 5/16#6 x 5/16 flat wsh .032 thk nylon b18.22.127
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 f/w s/s b18.22.1700
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6ms15795-806 f/w 300 series st-st (usa-dfar) 304ss MS15795-806 DFARS b18.22.14492
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x .15615795-805 commercial #6 .156x.312x.035 f/w s/s b18.22.13580
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JET FITTINGCAFlat WasherNylon (Polyamide)Plain#6 x .312flat #6 nylon .312x.032 WF-0312-0140-0032 b18.22.14764
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JET FITTINGCAFlat WasherBrassPlain#6 x .375 x .032#6x.375x.032 flat brass 7-W-6L b18.22.11600
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x .375flat #6 18-8 304 steel .375x.016 6ANLFW SS b18.22.139
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6620c6 #6 f/w 18-8 ss 620C6 b18.22.16159
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JET FITTINGCAFlat WasherSteelPlain#6nas620c6p #6 f/w black oxide NAS620C6P b18.22.11738
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#6 x .267flat #6 18-8 304 steel .267x.016 black oxide per mil spec NAS620C6LP b18.22.12250
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JET FITTINGCAFlat WasherSteelBlack Oxide#6flat #6 black oxide and wax .375x.032 06WMB b18.22.1237
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QFCTXFlat WasherBrassPlain#6#6 type-b narrow flat brass b18.22.14000
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 type-b narrow flat 18-8 s/s b18.22.113898
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QFCTXFlat WasherSteelZinc/Clear#6#6 type-b regular flat trivalent b18.22.112736
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#6.156 x .312 x .027/.048 flat 18-8 304 304ss MS15795-805 b18.22.1500
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x .156#6 s/s flat .156x.375x.031 b18.22.13500
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B & K FASTPAFlat WasherBrassPlain#6#6 brass flat washers larger od .145 x .379 x .032 b18.22.1640
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B & K FASTPAFlat WasherBrassNickel Plated#6#6 brass flat washers larger od(nickel plated) .149 x .376 x .031 b18.22.13535
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B & K FASTPAFlat WasherBrassPlain#6#6 brass flat washers smaller od .139 x .298 x .021 b18.22.15150
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 stainless flat washers b18.22.12034232
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OSSCORIFlat WasherSteelBlack Oxide#6#6 flat type-b narrow series black oxide b18.22.134
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OSSCORIFlat WasherBrassPlain#6#6 flat brass b18.22.11,100
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OSSCORIFlat Washer316, 317, A4 StainlessPlain#6#6 flat 316 s/s b18.22.1100
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QFCTXFlat WasherSteelZinc/Clear#6#6 type-b narrow flatwasher trivalent b18.22.16900
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6#6 flat washer 300 ss b18.22.133486
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QFCTXFlat WasherSteelZinc/Yellow#6#6 type-b regular flatwasher zinc yello b18.22.189000
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6.156 x .375 x .036/.065 flat washer s.s. b18.22.12000
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JET FITTINGCAFlat WasherBrassPlain#6 x .375 x .032washer flat #6x.375x.032 brass b18.22.12200
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JET FITTINGCAFlat WasherSteelBlack Oxide#6washer flat #6 black oxide and wax .375x.046 b18.22.1350
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x .267 x .032#6x.267x.032 flat washer stainless steel 18-8 b18.22.1290
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6 x .276 x .016#6x.276x.016 flat washer stainless steel 18-8 b18.22.111600
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JET FITTINGCAFlat WasherSteelBlack Oxide#6washer flat #6 black oxide and wax .375x.032 b18.22.1250
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6washer flat #6 stainless steel .312x.035 b18.22.16676
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JET FITTINGCAFlat WasherSteelPlain#6washer flat #6 stainless steel black oxide .267x.032 dfar certs required b18.22.1720
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THRDFASTFLFlat WasherBrassPlain#6flat small b18.22.122,580
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THRDFASTFLFlat WasherAluminumPlain#6alum flat b18.22.14,127
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THRDFASTFLFlat WasherNylon (Polyamide)Plain#6flat b18.22.1279
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THRDFASTOKFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6ms15795-805 18-8 s 304ss b18.22.1190
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THRDFASTOKFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6ms15795-806 18-8 s 304ss b18.22.1350
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WSBKYFlat Washer400 Stainless (405, 410,416,420,430 etc.)Plain#6washer ext csk lw a sst 410 #6 b18.22.1102,720
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