5/16 Nylon Insert Lock Nuts

Nylon-Insert Lock Nuts, Nyloc Nuts or Elastic Stop Nuts, are locknuts with a nylon or fiber internal collar that increases friction on the screw thread. The screw thread does not cut into the nylon insert, however, the insert deforms elastically over the threads. Since the locking feature can be affected by heat, they are more correctly referred to as “Stop” nuts.

15,497 Lock Nut, Nylon Insert, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
TSFTXLock Nut, Nylon InsertGrade CZinc/Yellow5/16-18nylon insert locknut yz gr c 5/16-182894
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TSFTXLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert locknut zinc 5/16-181687
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TSFTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut ss 5/16-18238
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TSFTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert lock nut ss-316 5/16-18150
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TSFTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut thin pattern stainless steel 5/16-18738
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CenturyFLLock Nut, Nylon InsertSteelPlain5/16-185/16-18 nylon insert locknut2492
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CenturyFLLock Nut, Nylon InsertSteelPlain5/16-18ms17829-5c128
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CenturyFLLock Nut, Nylon InsertSteelPlain5/16-24ms21044c54
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CenturyFLLock Nut, Nylon InsertSteelPlain5/16-24ms21044n5919
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CenturyFLLock Nut, Nylon InsertSteelPlain5/16-24ms21083c574
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CenturyFLLock Nut, Nylon InsertSteelPlain5/16-24ms21083n5231
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CenturyFLLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nylon insert l/n grd 8 z/y383
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MESAFASTCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-18flange nylock nut gr8360.0
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MESAFASTCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18thin nylock nut 18-8 s/s8.0
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MESAFASTCALock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert lock nut1,060.0
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MESAFASTCALock Nut, Nylon InsertSteelZinc/Clear5/16-24nte thin pattern nylock nut120,000.0
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Cal FastenrsCALock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert lock nut Cr3+550
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B & K FASTPALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 ne nylon insert locknuts zinc b18.2.21285
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B & K FASTPALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nylon insert locknuts gr 8 z yellow b18.2.21784
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B & K FASTPALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 ne nylon insert locknuts gr 8 z yellow b18.2.2198
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B & K FASTPALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 stainless nylon ins jam locknuts b18.2.22118
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B & K FASTPALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 nylon locknuts 18-8 stainless b18.2.21815
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B & K FASTPALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 nylon locknuts 18-8 stainless b18.2.21538
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YANKEENHLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 thin nylon-insert l/n zinc pltd80
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YANKEENHLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-185/16-18 nylon-insert lock nut type-316 stainless steel197
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YANKEENHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 nylon insert lock nut 18-8 stainless steel737
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YANKEENHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 thin nylon-insert locknuts 18-8 stainless steel165
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YANKEENHLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nylon insert lock nut zinc pltd132
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YANKEENHLock Nut, Nylon InsertGrade 8Phosphate5/16-245/16-24 nylon insert lock nut grade 8 blk phosphat136
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YANKEENHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 nylon insert lock nut grade 8 zinc/yellow309
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YANKEENHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 nylon insert lock nut stain steel438
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YANKEENHLock Nut, Nylon InsertSteelPlain5/16-18hex finish nut nylon970
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YANKEENHLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert lock nut3187
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YANKEENHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-18nylon insert lock nut1365
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Set ScrewILLock Nut, Nylon InsertSteelZinc/Clear5/16-18ne nylon insert locknutsinquire
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Set ScrewILLock Nut, Nylon InsertSteelZinc/Yellow5/16-18ne nylon insert locknutinquire
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Set ScrewILLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-18ne 316 stainless nylon insert locknutinquire
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Set ScrewILLock Nut, Nylon InsertSteelZinc/Clear5/16-24nte nylon insert locknuts thin patterninquire
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Set ScrewILLock Nut, Nylon InsertSteelZinc/Clear5/16-18nte nylon insert locknuts thin patterninquire
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METRO INDOHLock Nut, Nylon InsertSteelPlain5/16-24jam elastic stop nut sae6254
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METRO INDOHLock Nut, Nylon InsertSteelZinc/Clear5/16-18elastic stop nut uss2256
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METRO INDOHLock Nut, Nylon InsertSteelZinc/Clear5/16-24elastic stop nut sae938
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METRO INDOHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-18elastic stop nut gr 8 /y2351
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METRO INDOHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-24elastic stop nut SAE gr 8 /y167
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METRO INDOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18elastic stop nut USS s/s905
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METRO INDOHLock Nut, Nylon InsertSteelPlain5/16-24heavy elastic stop nut uss39
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METRO INDOHLock Nut, Nylon InsertSteelPlain5/16-18jam elastic stop nut uss370
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AmericanNYLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert stop nut 18-8 304 thin pattern (low profile)200
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AmericanNYLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert lock nut 18-8 3041750
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AmericanNYLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert l/n zp5100
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AmericanNYLock Nut, Nylon InsertSteelZinc/Clear5/16-24nylon insert stop nut zp1519
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear5/16-18ntu nylon insert hvy thin locknut1600
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ACCURATEILLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-24nylon insert locknut gr8194
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear5/16-24nte nylon insert thin pat nut1700
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ACCURATEILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24nylon insert hex locknut 18-8 stainlss625
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear5/16-18ne nylon insert locknut2559
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ACCURATEILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut 18-8 s/s2257
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ACCURATEILLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-18nylon insert locknut gr81874
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ACCURATEILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nte nylon insert thin locknut 18-8 s/s1837
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert heavy thin locknut975
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear5/16-24ne nylon insert hex locknut2317
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ACFCALock Nut, Nylon InsertSteelZinc/Black5/16-185/16-18 nylon insert lock nut black zinc rohs compliant1000
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AmericanNYLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nylon insert stop nut zp700
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Purchase MOLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 nylon insert l/n gr 8 stl. zinc & yellow1990
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AbabaCALock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-185/16-18 ne nyloc 316 s/s b18.2.24621
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nyloc gr 8 zii b18.2.22307
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nyloc gr 8 zii b18.2.2500
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nyloc 25/pkg gr 8 zii b18.2.25
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nyloc 25/pkg gr 8 zii b18.2.24
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ne nyloc s/s b18.2.22850
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ne nyloc s/s b18.2.2400
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ne nyloc 25/pkg s/s b18.2.24
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ne nyloc 25/pkg s/s b18.2.23
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AbabaCALock Nut, Nylon InsertSteelPlain5/16-185/16-18 ne nyloc al-2000 (black) stl b18.2.25072
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 ne nyloc stl znc b18.2.221056
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 ne nyloc stl znc b18.2.21300
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 ne nyloc gr 8 zii b18.2.22223
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 ne nyloc gr 8 zii b18.2.2300
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 ne nyloc 25/pkg gr 8 zii b18.2.22
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 ne nyloc 25/pkg gr 8 zii b18.2.23
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ASMCILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 coarse nyloc nut nte (thin) ss18-8 b18.2.2150
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 nte thin n.i. l/n s/s b18.2.211638
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 nte thin n.i. l/n s/s b18.2.2100
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AbabaCALock Nut, Nylon InsertSteelPlain5/16-185/16-18 thin (nte) nyl insrt lock nut al-2000 (bla b18.2.26068
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AbabaCALock Nut, Nylon InsertSteelZinc/Black5/16-185/16-18 thin (nte) nyl insrt lock nut black zinc b18.2.2212
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nte thin n.i. l/n stl znc b18.2.214050
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nte thin n.i. l/n stl znc b18.2.2700
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 nte thin n.i. l/n s/s b18.2.21034
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 nte thin n.i. l/n s/s b18.2.2400
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nte thin n.i. l/n stl znc b18.2.23634
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nte thin n.i. l/n stl znc b18.2.2400
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JacksonMSLock Nut, Nylon InsertGrade CZinc/Yellow5/165/16 nc nylon insert lock-nut zy (gr.c)4227
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16nc nylon insert locknut 18-8 304 ne dom.. (green)44
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16nc nylon insert locknut 18-8 304 ne dom.. (red)76
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nc nylon insert jam nut 18-8 ss293
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SIIINLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 grd8 yz nylon insert nut)3490
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 hvy n.i. l/n stl znc b18.2.2214
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SIIINLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nylon locknut zinc) b18.2.2100
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SIIINLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 zinc nylon insert nut) b18.2.22700
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SIIINLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 zinc nylon insert nut) b18.2.2200
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SIIINLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 zinc plated nylon insert lock nut) b18.2.2585
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SIIINLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ne 18-8 stainless steel nylon insert lock nut) b18.2.21280
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JacksonMSLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-24nf nylon locknut 316 stainless55
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TownCountryARLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert lock nut nte106
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TownCountryARLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert lock nut ne 18-8 304 304sstinquire
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TownCountryARLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert lock nut ne2675
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TownCountryARLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert lock nut ntuinquire
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TownCountryARLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-18nylon insert lock nut ne s.s. 316sst76
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TownCountryARLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-18nylon insert lock nut ne3000
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JET FITTINGCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 nylon insert hex lock nut stainless steel 18-8 ne b18.2.2925
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JET FITTINGCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon (white) insert hex lock nut steel zinc plated ne b18.2.2300
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JET FITTINGCALock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nylon insert lock nut steel zinc b18.2.21988
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Black5/16-18nut hex nyl/insert nte grade a (bz) 5/16-1876,304
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Wurth AdaMNLock Nut, Nylon InsertGrade BZinc/Clear5/16-18nut hex nyl/insert ne grade b (zt) 5/16-1824,046
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Yellow5/16-24nut hex nyl/insert ne grade a (zy) 5/16-2418,569
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Clear5/16-24nut hex nyl/insert ne grade a (zn) 5/16-247,374
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Clear5/16-24nut hex nyl/insert nte grade a (zt) 5/16-245,929
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Wurth AdaMNLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-18nut hex nyl/insert ne s/s 316 5/16-181,250
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Black5/16-18nut hex nyl/insert ne grade a (bz) 5/16-181,443
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Wurth AdaMNLock Nut, Nylon InsertGrade CZinc/Yellow5/16-24nut hex nyl/insert ne grade c (zy) 5/16-241,994
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Clear5/16-24nut hex nyl/insert ne grade a (zt) 5/16-242,500
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Wurth AdaMNLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24nut hex nyl/insert nte (18 8) 5/16-24308
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Wurth AdaMNLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nut hex nyl/insert nte (18 8) 5/16-18600
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Clear5/16-24nut hex nyl/insert nte grade a (zn) 5/16-24430
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Wurth AdaMNLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24nut hex nyl/insert ne (18 8) 5/16-24310
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Irwin IndOntLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 5/16-18 nylon insert locknut 18.8 stainless b18.2.286
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Irwin IndOntLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 unc ne nylon insert lock nut zinc triv clear pltd b18.2.2242547
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Irwin IndOntLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 nylon insert l/n gr 8 steel/yellow zinc dichromate b18.2.21745
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Irwin IndOntLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert jam nut steel zinc trivalent clear b18.2.21486
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CascadeORLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nte stop nuts-nyln insert 18-8ss9300
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CascadeORLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nte stop nuts-nyln insert 18-8ss9300
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RCFastAZLock Nut, Nylon InsertGrade CZinc/Yellow5/16-18nylon insert locknut grc30
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut 18-8 304inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert locknut stl cr+31250
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RCFastAZLock Nut, Nylon InsertSteelPlain5/16-18nut MS17829-5Cinquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear5/16-24nylon insert locknut stl 1inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Yellow5/16-24nylon insert locknut stlinquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-18nylon insert locknut stainless 316200
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear5/16-24nylon insert locknut stl cr+3inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert locknut stl cr+3 (thin pattern)inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear5/16-24nylon insert locknut stl cr+3 (thin pattern)inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert locknut stl cr+3 (heavy)inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24nylon insert locknut 18-8 304inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut 18-8 304 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24nylon insert locknut 18-8 304 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut 18-8 304 (heavy)inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert locknut 18-8 304 (thin-heavy)inquire
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HodellOHLock Nut, Nylon InsertGrade 8Zinc/Clear5/16-185/16-18 gr8 nyl ins l/n unc zn79
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HodellOHLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nyl ins jam nut unc zn5,183
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HBBOLTCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24thin nylon insert lock nut 18-8 ss75
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HBBOLTCALock Nut, Nylon InsertSteelPlain5/16-24thin nylock nut100
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THRDFASTFLLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16nf-24 ne gr8 nylon insert l/n z&y b18.2.2697
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THRDFASTFLLock Nut, Nylon InsertSteelZinc/Clear5/16-18thin nylon insert l/n b18.2.2304
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THRDFASTFLLock Nut, Nylon InsertSteelZinc/Clear5/16nf-24 thin nylon insert l/n b18.2.220
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THRDFASTFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-1818-8 ss thin nylon ins l/n b18.2.225
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HewesNYLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert l/n znntu heavy jam patter855
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HewesNYLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18fin elastic nut18-8 s/s2730
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HewesNYLock Nut, Nylon InsertSteelZinc/Clear5/16-18fin elastic nut pl / ne series5315
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HewesNYLock Nut, Nylon InsertSteelZinc/Clear5/16-24fin elastic nut pl217
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MFSKSLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert locknut2245
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MFSKSLock Nut, Nylon InsertSteelZinc/Yellow5/16-18nylon insert locknut123
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MFSKSLock Nut, Nylon InsertSteelZinc/Clear5/16-24nylon insert locknut58
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Clear5/16-24nylon insert l/ninquire
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Yellow5/16-18nylon insert l/n &inquire
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Clear5/16-18nylon insert l/ninquire
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MasFasCorpNVLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-18nylon insert lock nut &inquire
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Yellow5/16-18flange nylon insert l/n & w/no serrationsinquire
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MasFasCorpNVLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nylon insert l/n 18-8 s/sinquire
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Clear5/16-18thin nylon insert l/ninquire
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MasFasCorpNVLock Nut, Nylon InsertSteelPlain5/16-24ms21044n5inquire
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Black5/16-18nylon insert lock nut blackinquire
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DavisILLock Nut, Nylon InsertSteelBlack Oxide5/16-245/16-24 nylon insert locknut-steel black oxide b18.2.2730
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DavisILLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert locknut-steel zinc b18.2.21,250
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DavisILLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert locknut-steel zinc b18.2.26,000
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Valley NuWALock Nut, Nylon InsertSteelPlain5/16-18nc hex nut nylon pl159
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LightningLALock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-18nylon insert lock nut 316 ss2089
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LightningLALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24nylon insert locknut 316-ss fine thread700
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Alma BoltMILock Nut, Nylon InsertSteelPlain5/16-185/16-18 uss (nte series) nylon insert jam nut b18.2.2620
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QFSMILock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18hex nylon insert lock nuts elastic type (18-8)stock
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