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5/16 Nylon Insert Lock Nuts (ASME B18. 2.2)

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.

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Search Results Sponsored by J. Lanfranco Fastener Systems, your source for Nylon Insert Lock Nuts. For more results, visit   jlanfranco.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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Irwin IndOntLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 unc ne nylon insert lock nut zinc triv clear pltd b18.2.2 63630
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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 b18.2.21133
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Irwin IndOntLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert jam nut steel zinc trivalent clear b18.2.267
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GLFOHLock Nut, Nylon InsertSteelZinc/Yellow5/16-185/16-18 fin hex jam nyl ins lock nut stl zy b18.2.2 () () ()2144
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin hex jam nyl ins lock nut 18-8 s/s b18.2.2 () () ()115
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GLFOHLock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-185/16-18 fin hex nyl ins lock nut 316 s/s b18.2.2 () () ()1514
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 fin hex jam nyl ins lock nut stl zc b18.2.2 () () ()8307
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin hex nyl ins lock nut 18-8 s/s b18.2.2 () () ()1682
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 fin hex nyl ins lock nut stl zc b18.2.2 () () ()4345
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GLFOHLock Nut, Nylon InsertBrassPlain5/16-185/16-18 fin hex nyl ins lock nut brs b18.2.2 () () ()500
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GLFOHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 fin hex nyl ins lock nut gr 8 stl zy b18.2.2 () () ()3329
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 fin hex nyl ins lock nut 18-8 s/s b18.2.2 () () ()49102
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 fin hex nyl ins lock nut stl zc b18.2.2 () () ()4190
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GLFOHLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 fin hex nyl ins lock nut gr 8 stl zy b18.2.2 () () ()320
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GLFOHLock Nut, Nylon InsertSteelBlack Oxide5/16-185/16-18 fin hex nyl ins lock nut stl blk ox b18.2.2 () () ()780
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GLFOHLock Nut, Nylon InsertSteelPlain5/16-24locknut MS21044-N5 b18.2.2 () () ()263
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GLFOHLock Nut, Nylon InsertSteelPlain5/16-24ms21083-n5 b18.2.2 () () ()265
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GLFOHLock Nut, Nylon InsertSteelPlain5/16-24lock nut MS21083C5 b18.2.2 () () ()78
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GLFOHLock Nut, Nylon InsertSteelPlain5/16-24lock nut MS21044N5 b18.2.2 () () ()3830
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GLFOHLock Nut, Nylon InsertGrade 8Zinc/Clear5/16-185/16-18 fin hex nyl ins jam nut gr 8 stl zc b18.2.2 () () ()800
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AbabaCALock Nut, Nylon Insert316, 317, A4 StainlessPlain5/16-185/16-18 ne nyloc 316 s/s b18.2.22422
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nyloc gr 8 zii b18.2.21942
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nyloc 25/pkg gr 8 zii b18.2.22
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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 b18.2.24591
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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 b18.2.26
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AbabaCALock Nut, Nylon InsertSteelPlain5/16-185/16-18 ne nyloc al-2000 (black) stl b18.2.22682
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 ne nyloc stl znc b18.2.28335
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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 b18.2.22000
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AbabaCALock Nut, Nylon InsertSteelPlain5/16-185/16-18 thin (nte) nyl insrt lock nut al-2000 (bla b18.2.25288
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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 b18.2.28565
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 ne nyloc gr 8 zii b18.2.21039
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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 Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 ne nyloc s/s b18.2.21243
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 ne nyloc 25/pkg s/s b18.2.211
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 ne nyloc stl znc b18.2.22822
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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 b18.2.21234
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 nte thin n.i. l/n stl znc b18.2.23447
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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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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 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 b18.2.24
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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 b18.2.2400
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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 b18.2.23
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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 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 InsertSteelZinc/Clear5/16-185/16-18 nte thin n.i. l/n stl znc b18.2.2700
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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 b18.2.23
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 ne nyloc s/s b18.2.2100
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 ne nyloc 25/pkg s/s b18.2.23
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 ne nyloc stl znc b18.2.2500
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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 b18.2.2400
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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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SIIINLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 zinc nylon insert nut) b18.2.26245
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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) b18.2.22680
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert lock nut zinc b18.2.29000
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert lock nut zinc b18.2.22420
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert locknut zinc b18.2.2990
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 nylon insert locknut zinc b18.2.23000
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QFCTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin hex nylon insert nut 18-8 b18.2.23420
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QFCTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin hex nylon insert nut 18-8 b18.2.275
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QFCTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 fin hex nylon insert nut 18-8 b18.2.22800
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QFCTXLock Nut, Nylon InsertSteelZinc/Yellow5/16-185/16-18 fin hex nylon insert nut yellow zinc b18.2.22000
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 fin hex nylon insert nut zinc b18.2.26000
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 fin hex nylon insert nut zinc b18.2.21784
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 fin hex nylon insert nut gr8 y/zinc b18.2.21126
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 fin hex nylon insert nut gr8 y/zinc b18.2.2140
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 fin hex nylon insert nut zinc b18.2.21995
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear5/16-245/16-24 fin hex nylon insert nut zinc b18.2.250
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QFCTXLock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-245/16-24 fin hex nylon insert nut gr8 y/zinc b18.2.22600
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B & K FASTPALock Nut, Nylon InsertSteelZinc/Clear5/16-185/16-18 ne nylon insert locknuts zinc b18.2.22137
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B & K FASTPALock Nut, Nylon InsertGrade 8Zinc/Yellow5/16-185/16-18 ne nylon insert locknuts gr 8 z yellow b18.2.21055
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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 b18.2.21585
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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 b18.2.21532
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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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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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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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