#4-40 Top Locking Nuts

Automation-Style Lock Nuts, Top Locking Lock Nuts or Stover Lock Nuts are lock nuts with a locking feature deformed into the top of the nut. This deformation crimps the internal thread, increasing its friction against the mating bolt or stud, leading to the locking feature.

72 results, (click on any line for more information)

Search Results Sponsored by Perigee Manufacturing, your source for All Metal Top-Lock Nuts. For more results, visit   perigeemfg.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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TSFTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium/Yellow#4-40locking ss nut280
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CenturyFLLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40perkin elmer 9114475
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CenturyFLLock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium/Yellow#4-40ms21042-04 nut self locking68659
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QCSORLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 hex nut self locking ms21042l042000
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SJS ProdCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Yellow#4-40 x 1/44-40 x 1/4 fill/hd slot mod thd lng=.125 st zy
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Cal FastenrsCALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40hex nylok nut low profile 18-8 304 nylon lock nt 4CNNE3/LOW60
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Cal FastenrsCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Clear#4-40hex nylok nut low profile i see 4cnnez/cr3low 4CNNEZ/LOW100
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Cal FastenrsCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Clear#4-40flex lock nut 21fa-440893
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MTPCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-40# 4-40 cad flex-lock nuts a bb 100 fb 500 qk 2500200
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IndexFastCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40n440nlss 4-40 nylon insert lock nut stainless steelinquire
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GlobalCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40MS21043-0412,860
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GlobalCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium/Yellow#4-40MS21042-04280
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GlobalCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40MS21042L04120
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HayesCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-404-40 full/lite flex style l/n cad i900
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HayesCALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40ms21045c04 4-40 all metal locknut 18-8154
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HayesCALock Nut, Top Locking, All Metal (Automation style, etc.)Superalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40ms21072l04 4-40 locking nutplate a286 dfl 450156
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AmericanNYLock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Yellow#4-40nylon stop nut zy4400
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SPCTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40#4-40 microsize flexloc 30fm-440 flex196
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SPCTXLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 microsize flexloc 58fm-440 18-8 304 w/dry film lube flex74
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SPCTXLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Silver#4-404-40 light hex full height flexloc 59fa-440 18-8 s/s flex2,086
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SPCTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 light hex full height flexloc 20fa-440 flex17,555
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SPCTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Yellow#4-404-40 light hex full height flexloc 23fa-440-y and wax flex497
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SPCTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-404-40 light hex full height flexloc 27fa-440 cad ii flex201
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ASMCILLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40#4-40 coarse flexloc nut light hex full ss18-85
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)BrassPlain#4-40 x .2054-40 x .205 lng barb-sert br2199
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JET FITTINGCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium/Yellow#4-404-40 lock nut steel cadmium ii plated yellow b18.2.21260
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DeltaTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-40nut flexloc full height light hex cad 4-40990
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DeltaTXLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40nut flexloc full height light hex 18-8 sst 4-40100
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ACFCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-404-40 light hex full height flexloc nut cad plated28
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RCFastAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40nut, self-locking, hex flange, 4-40 MS21043-04inquire
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RCFastAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40locknut (4-40, self-locking, 450 deg) MS21042L04inquire
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RCFastAZLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40nut, self-locking, 4-40 304ss MS21045C04inquire
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RCFastAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 hex nut flexloc full height light stlinquire
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RCFastAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 hex nut flexloc full height light cadiuminquire
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RCFastAZLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 hex nut light flexloc full height 18-8 304inquire
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 self locking nut dry film lube MS21042L0434962
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40lock nut reduced height 4-40 s/s MS21043-044943
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40nut 304ss MS21045C04203
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40nut NAS679A04W51
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40self-locking nut carbon554
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40self-locking nut carbon554
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AIHAZLock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium/Yellow#4-404-40 lock nut cad plating MS21042-0427
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StandardMALock Nut, Top Locking, All Metal (Automation style, etc.)BrassPlain#4-404-40 full lock nut brass b18.2.2inquire
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StandardMALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 thin lock nut 18-8 stainless steel b18.2.2inquire
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StandardMALock Nut, Top Locking, All Metal (Automation style, etc.)316, 317, A4 StainlessPlain#4-404-40 full lock nut 316 stainless steel b18.2.2inquire
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StandardMALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 full lock nut 18-8 stainless steel b18.2.2inquire
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Clear#4-40 x 1 3/44-40 x 1 3/4 lng x 3/16 hex m/f rohs alu117
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)AluminumPlain#4-40 x 7/84-40 x 7/8 lng x 1/4 hex m/f alum387
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ULTRACALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-40flexloc 21fa4404100
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ULTRACALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#4-40flexloc 50fa4403500
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ULTRACALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40flexloc 20fa440900
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ASFCORPMILock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 full hgt hex ny in lock nut ss pkg500
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 six-point locknut1042
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 x .300 lng x 3/16 hex m/f sst393
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 lock nut63
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 self-locking nut sst steel2217
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OlanderCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 six-point locknut1290
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LibertyILLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 flex-loc nut light 18-8 s/s 18-8 s/s100
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JHP FastenersMILock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40pem alternative plc-440 captive cplc440 self-locking nut ss thread-4-401000
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JHP FastenersMILock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Phosphate#4-40pem alternative feo-440 captive cfeo440 miniture nut self-locking ss blk dry film lube thread-4-401245
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MFSKSLock Nut, Top Locking, All Metal (Automation style, etc.)NylonPlain#4-40lock nut763
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TrifastTXLock Nut, Top Locking, All Metal (Automation style, etc.)SteelP lain#4-404-40unc floating nut non lock-2 stl astmb633z1cr3bakesrt6662
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TrifastTXLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404-40 hex loc nut a2 s/s .246a/f .89thk plain self finish1616
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AFIFLLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 self-locking nut ss silver3943
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MTPCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium#4-40#4-40 cad flex-lock nuts200
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CONTAERONJLock Nut, Top Locking, All Metal (Automation style, etc.)SteelZinc/Clear#4-40kl locknut Cr3+673600
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GLFOHLock Nut, Top Locking, All Metal (Automation style, etc.)SteelCadmium/Yellow#4-404-40 lock nut cad ii plating mil-spec mil-spec MS21042-04210
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GLFOHLock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-404-40 ss reduced height lock nut mil-spec mil-spec MS21043-0419
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GLFOHLock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40#4-40 flex lock nut 18-8 s/s nut2050
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GLFOHLock Nut, Top Locking, All Metal (Automation style, etc.)AluminumPlain#4-40lock nut alum nut417
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AccutiteCALock Nut, Top Locking, All Metal (Automation style, etc.)SteelPlain#4-40ms21043-04 stainless rohs compliant100
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Mid-ValleyCALock Nut, Top Locking, All Metal (Automation style, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40lock nut top locking all metal (automation style etc.) b18.2.2inquire
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