#3-48 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 
AmericanNYLock Nut, Nylon InsertSteelPlain#3-48nylon insert l/n aluminum5400
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AmericanNYLock Nut, Nylon InsertSteelChromate Conversion (Iridite, Alodine)#3-48nylon insert l/n irridate NS-.03IRR400
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AmericanNYLock Nut, Nylon InsertSteelCadmium#3-48nylon insert l/n cad pl2500
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48nc nylon locknut 18-8 ss127
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JacksonMSLock Nut, Nylon InsertSteelZinc/Clear#3-48nc nylon insert locknut ne205
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Future FastenerTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-483-48 nylon insert lock nut ss103
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ACFCALock Nut, Nylon InsertSteelZinc/Black#3-483-48 nylon insert locknut black zinc50
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ACFCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-483-48 s/s ( nm ) nylon insert locknut50
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48hx m/s nylon l/n 18-8 sst 3-48432
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear#3-48nylon insert locknut stl cr+3inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear#3-48nylon insert locknut stl cr+3 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48nylon insert locknut 18-8 304inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48nylon insert locknut 18-8 304 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain#3-48nylon insert locknut stainless 316inquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain#3-48nylon insert locknut stainless 316 (thin pattern)inquire
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OlanderCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-483-48 nylon insert locknut sst rohs1078
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JET FITTINGCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48nut lok 348 ss nylins nm rohs compliant per esna b18.2.2600
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MidStatesMILock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48nyloc insert locknut 18-8550
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SISAZLock Nut, Nylon InsertSteelZinc/Clear#3-48hex nylon insert lock nut400
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LibertyILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48ne nylon insert stop nut 18-s 18-8 304 18-s 18-8 3045
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LibertyILLock Nut, Nylon InsertSteelZinc/Clear#3-48ne nylon insert stop nut zinc460
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CONTAERONJLock Nut, Nylon InsertSteelCadmium#3-48std cad4,808
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CONTAERONJLock Nut, Nylon InsertSteelZinc/Clear#3-48std10,700
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CONTAERONJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48std s/s3200
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GLFOHLock Nut, Nylon InsertSteelZinc/Yellow#3-48fin hex nyl ins lock nut zy nut4530
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GLFOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48fin hex nyl ins lock nut 18-8 s/s nut1007
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Clear#3-483-48 nm nylon insert hex lock nut zinc50,000
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SBSMALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3-48nyl ins lock nut s/s
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