#2-56 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
TSFTXLock Nut, Nylon InsertSteelPlain#2-56hex nut nylon natural 2-562079
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TSFTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut 18-8 ss 2561500
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TSFTXLock Nut, Nylon InsertSteelZinc/Black#2-56nylon insert locknut steel black zinc light hex thin height 2563000
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CenturyFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56ms21044c029
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CenturyFLLock Nut, Nylon InsertSteelPlain#2-56ms21044n0250
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CenturyFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56ms21083c0261
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QCSORLock Nut, Nylon InsertSteelPlain#2-562-56 hex lock nut nylon essentra1000
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QCSORLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert locknut ss800
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QCSORLock Nut, Nylon InsertSteelZinc/Clear#2-562-56 nylon insert locknut zinc134
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SJS ProdCALock Nut, Nylon InsertSteelZinc/Clear#2-56hexnut w/ nylon insert 2-56 z/p1,673
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SJS ProdCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56hexnut w/ nylon insert 2-56 ss250
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SJS ProdCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/82-56x1/8 s/h cap ss w/nylok10
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Cal FastenrsCALock Nut, Nylon InsertSteelPlain#2-56hex nut black hex nut volt nh-256-b10,000
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UNEEDANJLock Nut, Nylon InsertSteelPlain#2-56nylon insert l/n1000
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GlobalCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut 18-8 ss390
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YANKEENHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert lock nut 18-8 stainless steel1248
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YANKEENHLock Nut, Nylon InsertSteelZinc/Clear#2-56nylon insert lock nut3350
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ACFCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 s/s ( nm ) nylon insert locknut1125
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NAPPCOTXLock Nut, Nylon InsertSteelZinc/Clear#2-56nylon insert locknut steel zp 2-568800
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NAPPCOTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56reg nylon insert l/n s/s 18-8 #2-565182
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SWACOOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nyl insert l/n 18-81000
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SWACOOHLock Nut, Nylon InsertSteelZinc/Clear#2-562-56 nyl insert l/n stl zinc7389
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HayesCALock Nut, Nylon InsertSteelPlain#2-56ms17830-02c 2-56 nylon insert locknut s/s476
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HayesCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56ms21044c02 2-56 n.i. lock nut s/s pass1222
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HayesCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56ms21083c02 2-56 thin n.i. locknut s/s86
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HayesCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 reduced hex n.i. l/n 18-8ss140
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Set ScrewILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-5618-8 304 nylon insert locknut dfars compliantinquire
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VertexDILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nc nylon insert locknut 18-8 st/st88023
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METRO INDOHLock Nut, Nylon InsertSteelZinc/Clear#2-56m/s elastic stop nut uss20314
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AmericanNYLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56elastic stop nut 18-8 3049000
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AmericanNYLock Nut, Nylon InsertSteelPlain#2-56nylon insert l/n aluminum300
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ZAL INDUSCALock Nut, Nylon InsertSteelCadmium#2-562-56 nylon insert l/n pltd cad pltd499
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ACCURATEILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut 18-8 s/s400
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CenturyFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56 x 1/42-56 x 1/4 soc cp ss w/ nylok red patch7230
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ASMCILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56coarse nyloc nut nm (standard) ss18-85,009
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ASMCILLock Nut, Nylon InsertSteelZinc/Clear#2-56coarse nyloc nut nm (standard) low carb zp3,300
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert l/n nm s/s b18.2.2390
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert l/n nm s/s b18.2.2300
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LippinCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut stainless 18-8100
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nc nylon locknut 18-8 ss806
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JacksonMSLock Nut, Nylon InsertSteelZinc/Clear#2-56nc nylon insert locknut ne141
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear#2-562-56 nylon insert l/n nm stl znc b18.2.2900
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Future FastenerTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert lock nut ss3,175
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OlanderCALock Nut, Nylon InsertSteelPlain#2-562-56 self thding lock nut nyl736
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OlanderCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nyl ins locknut sst1083
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QFCTXLock Nut, Nylon InsertSteelZinc/Clear#2-56#2-56 nylon insert locknut trivalent zinc b18.2.28,130
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Clear#2-56nut hex nyl/insert nm grade a (zn) 2-567,943
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EximS'poreLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#2-56nut hex s/s passivated #2-56 0.250 x 0.141 in w.nylon insertmcmaster p/n 91831a002 b18.2.223354
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EximS'poreLock Nut, Nylon InsertSteelCadmium#2-56nut hex steel cadmium # 2-56 6.985 x 6.375 x 3.886 mm nylon insert0.275 x 0.251 x 0.153 in b18.2.23397
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Irwin IndOntLock Nut, Nylon InsertSteelZinc/Clear#2-562-56 nylon insert locknut ntm series steel zinc triv clear b18.2.23800
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ACFCALock Nut, Nylon InsertSteelZinc/Clear#2-562-56 ( nm ) nylon insert locknut z/p rohs compliant500
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DeltaTXLock Nut, Nylon InsertSteelZinc/Clear#2-56fin nylon l/n steel zinc 2-562853
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DeltaTXLock Nut, Nylon InsertSteelZinc/Clear#2-56hx m/s nylon l/n zinc 2-562853
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56min nylon l/n 18-8 sst (450 f) 2-561300
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56min hex m/s nylon l/n 18-8 sst 2-56301
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56hx m/s nylon l/n 18-8 sst 2-56903
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56hx jam m/s nylon l/n 18-8 sst 2-56950
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56hx jam m/s nylon l/n 18-8 sst 2-56500
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56maclean-esna 2-56 hex locknut 18-8 304 79-1660-26inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear#2-56nylon insert locknut stl cr+3inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut 18-8 304inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut 18-8 304 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain#2-56nylon insert locknut stainless 316inquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain#2-56nylon insert locknut stainless 316 (thin pattern)inquire
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AIHAZLock Nut, Nylon InsertSteelPlain#2-56nylon insert l/n905
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AIHAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert l/n s/s8050
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AIHAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56hex nut self locking s/s 304ss MS21083C02131
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OlanderCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert locknut sst rohs1527
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ULTRACALock Nut, Nylon InsertGrade 8Zinc/Yellow#2-56nu heavy2605
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BHAMALLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert l/n 300 ser ss50
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ULTRACALock Nut, Nylon InsertGrade 8Zinc/Yellow#2-56nu heavy2605
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HBBOLTCALock Nut, Nylon InsertSteelPlain#2-56hex nut400
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HBBOLTCALock Nut, Nylon InsertSteelZinc/Clear#2-56nylock nut450
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OBRIENOHLock Nut, Nylon InsertSteelZinc/Clear#2-56nm nylon insert lock nut4000
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SISAZLock Nut, Nylon InsertSteelZinc/Clear#2-56(9/64 heightx1/4 wdth) nylon insert hex locknut clear4075
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LibertyILLock Nut, Nylon InsertSteelCadmium/Yellow#2-56ntm nylon insert locknut cad cad582
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LibertyILLock Nut, Nylon InsertAluminumPlain#2-56 x 5/32nylon insert stop nut nut aluminum5,000
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LibertyILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56ne nylon insert stop nut 18-8 s/s 18-8 s/s7,400
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LibertyILLock Nut, Nylon InsertBrassNickel#2-56 x 5/32ne nylon insert stop nut plate stop nut plate430
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LibertyILLock Nut, Nylon InsertSteelZinc/Clear#2-56ne nylon insert stop nut zinc1,350
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GUIDONTXLock Nut, Nylon InsertSteelZinc/Clear#2-56NM SERIES3,500
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AFIFLLock Nut, Nylon InsertSteelZinc/Clear#2-562-56 nylon insert locknut st zn rohs3225
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AFIFLLock Nut, Nylon InsertBrassPlain#2-562-56 miniature nylon locknut brass664
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AFIFLLock Nut, Nylon InsertSteelPlain#2-562-56 miniature nylon insert clinch nut560
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AFIFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nylon insert locknut ss4394
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AFIFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 miniature nylon insert locknut ss200
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CONTAERONJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56std s/s28
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CONTAERONJLock Nut, Nylon InsertSteelZinc/Clear#2-56std38,800
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CONTAERONJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56thin ntm small dia.s/s10,596
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CONTAERONJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Nickel#2-56std s/s waxed 2b273500
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear#2-56fin hex nyl ins lock nut stl zc155
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56fin hex nyl ins lock nut 18-8 s/s1752
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56fin hex jam nyl ins lock nut 18-8 s/s nut300
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SJS ProdCALock Nut, Nylon InsertSteelPlain#2-56hexnut nylon 2-56300
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Kanebridge ILLock Nut, Nylon InsertSteelBlack Oxide#2-562-56 nm nylon insert hex lock nut black oxide250,000
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Kanebridge ILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562-56 nm nylon insert hex lock nut 18-8 stainless steel75,000
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Clear#2-562-56 nm nylon insert hex lock nut zinc250,000
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Clear#2-562-56 ntm thin pattern nylon insert hex lock nut zinc100,000
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Yellow#2-562-56 nm nylon insert hex lock nut zinc yellow250,000
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Black#2-562-56 ntm thin pattern nylon insert hex lock nut black zinc100,000
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DavisILLock Nut, Nylon InsertSteelZinc/Clear#2-56#2-56 nylon insert locknut-steel zinc b18.2.24,000
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AccutiteCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert locknut 18-8 304 rohs compliant113
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AccutiteCALock Nut, Nylon InsertSteelZinc/Clear#2-56nylon insert lock nut i300
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TimberlineCOLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nyl lk-nut 18-8 ss 2-56286
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Alma BoltMILock Nut, Nylon InsertSteelPlain#2-56(nm series) insert lock nut1752
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Alma BoltMILock Nut, Nylon InsertSteelPlain#2-56hex nut1000
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SBSMALock Nut, Nylon InsertSteelZinc/Clear#2-56nyl ins lock nut
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SBSMALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nyl ins lock nut s/s
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AALLNJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-56nylon insert lock nut, 18-8 30476
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