Lock Nut, Nylon Insert (ASME 18.2.2)
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.
Lock Nut, Nylon Insert (b18.2.2), showing 200, (click on any line for more information)
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Nylon Insert Lock Nuts from one of our FCH Network Members | ||||||||
| Century | FL | Lock Nut, Nylon Insert | Plain | 3/4-10 | ms17830-12c | 4 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | 3/4-16 | esna 41nte-126 3/4-16 nut | 1 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | ms21083c9 hex nut selflocking | 1 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Plain | 1 1/4-12 | ms21083c20 1 1/4-12 self locking nut | 1 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 | ms17830-8f locknut | 1 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 | ms17830-010c nut selflocking hex(reg hgt) 0.190-24 cres psvt | 1 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | 1 | ms17829-20c | 2 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Plain | 3/8-24 | ms21044d6 3/8-24 (68ne-064) alum nut | 11 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | 1/4-20 | ms17829-4c | 11 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/4-12 | esna 21ne-202 1 1/4-12 nylon insert l/n zinc | 12 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | #10-24 | ms17830-010c316 | 13 |
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| Century | FL | Lock Nut, Nylon Insert | Class 10.9 | Zinc/Clear | M12 | m12 steel zinc plated cl.10 dn m12 nylon insert lock nut cl 10 zinc din 985 | 14 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Plain | 3/8-24 | ms21083n6 q4b | 3815 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #10-32 | 10-32 ntm nylon insert locknut zinc trivalent | 100 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Plain | 3/4-10 | esna 29-ne-120 3/4-10 ne insert locknut steel plain finish | 100 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | 1/4-28 | ms21044n4 | 1270 |
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| Century | FL | Lock Nut, Nylon Insert | Grade 8 | Zinc/Clear | M5 | m5 gr. 8 zinc m5 gr8 zinc a2c iso 7040 | 100 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M12.0 | m12.0 steel zinc clr triv. rohs hex lock nuts nylon insert din 985 | 100 |
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| Century | FL | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | M12 | m12 hex locknut a4-80 nylon insert din 985 | 100 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M18 | 4.5mm hex m/f sd off 18mm lngth m2.5 thread mod int & ext thread lngth nylon rohs | 100 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 5/8-11 | 5/8-11 hexlight l/n nyloninsert steel zp (548-ESNA (LOCKNUTS)) | 399 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Yellow | M8 | m8 hex lock insert nut steel zinc yellow din 985 | 1095 |
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| Century | FL | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | M10 | m10 locknut in a4-80 din 985 | 400 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #10-24 | nylon insert locknut steel zp 10-24 | 3620 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M3-0.50 | M3x0.5 nylon insert l/n s/s a2 din 985 | 150 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Grade 8 | Plain | 3/8-16 | nylon insert locknut grade 8 3/8-16 | 45 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | 5/8-18 | ms17829-10f | 236539 |
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| Century | FL | Lock Nut, Nylon Insert | Class 8.8 | Zinc/Clear | M14-1.50 | dn 985 m14-1.5 nylon l/n cl 8 zinc dn 985 m14-1.5 nylon l/n cl 8 fine thread zinc | 300 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Yellow | M10.0 | m10.0 steel zinc yellow plt hex lock nuts nylon insert din 985 | 1253 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 5/16-18 | esna 21ne-058 5/16-18 steel zinc plate locknut nylon | 324 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | #5-40 | parker 2-1464-5 5-40 nylon insert l/n modified (79nm-50) see print | 332 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Plain | #6-32 | esna 21ntm-62 6-32 nylon insert locknut thin pattern steel hex chrom free | 333 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 nylon insert nut 1/4 max height 304 stainlessper print | 346 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 | continental aero 79nte-064 purple nylon locknut 3/8-24 18-8 eq esna 79nte-064 | 350 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 | esna 79ne058 5/16-18 nylon insert lcknut 18-8 | 363 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Plain | 1/4-28 | esna 1/4-28 nylon insert lock nut stl | 372 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 | 3/8-16 thin pattern hex nylon insert locknut stainless steel | 375 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1/2-13 | 1/2-13 nylon ins l/n thin steel zinc equivalent to esna 21nte-083 (thin series) | 200 |
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| Century | FL | Lock Nut, Nylon Insert | ms21044n06 | 478 |
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| Century | FL | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | M16-70 | m16 locknut a4-70 hex lock nuts nylon insert din 985 | 250 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | ms17830-16c316 nut self-locking | 597 |
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| Century | FL | Lock Nut, Nylon Insert | Grade C | Zinc/Clear | 5/8-11 | 5/8-11 nylon insert lock nut grade c steel zinc per print | 675 |
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| Century | FL | Lock Nut, Nylon Insert | Class 8.8 | Zinc/Clear | M6 | m6 lock nut cl 8 zinc din 982 | 700 |
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| Century | FL | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | M16 | m16 nylon nut a4 din 982 | 711 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | nylok nk507-1032-6 | 750 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 | 8-32 nyl insert locknut 18-8 ss 97 esna nut 79nm-82 8-32 nylon insert locknut 18-8 stainlesss | 97 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 | reg nylon insert l/n s/s 18-8 #12-24 | 3230 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Grade 8 | Zinc/Yellow | 8 3/4-16 | nylon insert locknut stl zy grd8 3/4-16 | 395 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/2-6 | nylon insert locknut steel zp 1-1/2-6 | 24 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1-8 | nylon insert locknut steel zp 1-8 | 93 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 3/4-16 | nylon insert locknut steel zp 3/4-16 | 200 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 3/4-10 | nylon insert locknut steel zp 3/4-10 | 190 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 9/16-18 | nylon insert locknut steel zp 9/16-18 | 500 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 7/16-20 | nylon insert locknut steel zp 7/16-20 | 3400 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Cadmium | #12-24 | nylon insert locknut steel cad #12-24 | 145 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Black Oxide | nylon insert locknut stl 8-32 blk oxide | 1000 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Plain | #8-32 | hex lock nut all nylon 8-32 | 1000 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Plain | 1/4-20 | hex lock nut all nylon (black) 1/4-20 | 300 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Plain | M10-1.50 | M10x1.5 nylon insert l/n stlzy din 985 | 150 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 | nylon insert l/n s/s 18-8 1/4-28 | 89 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #5-40 | regular nylon insert l/n s/s 18-8 #5-40 | 1500 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 | thin nylon insert l/n s/s 18-8 2-56 | 50 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Plain | M8-1.25 | m8x1.25 nylon insert l/n stlzp din 985 | 11 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | #10-32 | nylon insert l/n s/s t316 #10-32 | 15 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | 1/2-13 | nylon insert locknut s/s t316 1/2-13 | 19 |
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| NAPPCO | TX | Lock Nut, Nylon Insert | Steel | Plain | M12-1.75 | m12x1.75 nylon insert l/n stlzp din 985 | 35 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | #10-32 | ms21044n3 | 4201 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4-0.70 | m 4.0 s/s hex lock nuts m4x0.7 din 985 | 2945 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M5 | m5 nut s/s e2a din 982 | 2900 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 3/8-24 | 21nte-064 (9/16width & 17/64 h) zinc plt 3/8-24 nte thin nylon insert lock nut | 2960 |
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| Century | FL | Lock Nut, Nylon Insert | Grade 8 | Zinc/Clear | M8 | m8 gr. 8 zinc m8 gr. 8 zinc iso 7040 | 3000 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 | 5/16-18 thin nylon insert l/n 18-8 stainless steel + lub wax | 3500 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1/2-13 | esna 21ne-083 1/2-13 nylon insert locknut stl zinc | 3526 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | 4-40 nylon insert lock nut 18-8 stainless steel + lub wax | 5000 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 | 79nm-62 6-32 nylon inset lock nut s/s 79nm-62 6-32 nylon inset lock nut s/s | 18125 |
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| TownCountry | AR | Lock Nut, Nylon Insert | Class 8.8 | Zinc/Clear | M08-1.25 | m08-1.25 nylon insert lock nut 8.8 zinc din 985 | 80 |
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| TownCountry | AR | Lock Nut, Nylon Insert | Grade 8 | Zinc/Yellow | 7/16-14 | 7/16-14 nylon insert lock nut ne gr.8 yellow zinc | 50 |
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| OneMonroe | MN | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 | nylon insert lock nut 4-40 s/s | 44 |
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| OneMonroe | MN | Lock Nut, Nylon Insert | Grade 8 | Plain | 1 1/8-12 | 1-1/8-12 grade 8 nylon lock nut-yz | 80 |
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| Century | FL | Lock Nut, Nylon Insert | Grade 5 | Zinc/Clear | 5/16-18 | esna 41ne-058 5/16-18 nylon insert l/n grd 5 zinc | 2604 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10 | m10.0 18-8 hex lock nuts nylon insert din 985 | 2141 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 3/8-16 | esna 21nte-066 3/8-16 light-thin nylon l/n steel zinc | 3220 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M2.5 | m2.5 ny in locknut m2.5 nylon insert lock nut steel zinc rohs din 985 | 3320 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | #4-40 | ms21083c04 | 2731 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #10-24 | esna tf21ntm04 10-24 ntm nylon insert locknut rohs zi yel | 3800 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #8-32 | 8-32 ntm style nylon insert lock nut steel zinc (thin) | 3874 |
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| Century | FL | Lock Nut, Nylon Insert | Plain | nylok nks24693s272m | 1274 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1/4-20 | esna 21nte-040 thin pattern 1/4-20 nte n.i.locknut stl trivalent zinc rohs comp | 3500 |
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| Century | FL | Lock Nut, Nylon Insert | Class 8.8 | Phosphate | M8 | m8 nylon insert l/nut m8 nylon insert lock nut cl 8 phosphate finish 5.3.1.2 mil-std-171 din 985 | 4000 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | esna 21nm-40 4-40 nylon insert locknut zinc | 4042 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M10.0 | m10.0 steel zinc plt hex lock nuts nylon insert din 985 | 4135 |
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| Century | FL | Lock Nut, Nylon Insert | ms21044c3 | 101179 |
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| Century | FL | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #8-32 | bbi 305105 21ntm-82 8-32 thin pattern nylon insert lock nut stl zn clear | 4500 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 | 1/4-20 nylon insert lock nut 18-8 stainless steel + lub wax | 5000 |
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| Century | FL | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M6 | m 6.0 nylon insert locknut stainless stl waxed din 985 | 5096 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/8-12 | 1 1/8-12 nylon insert l/n zinc pltd | 14 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Grade 8 | Zinc/Yellow | 1 1/8-12 | 1 1/8-12 nylon insert l/n gr 8 yellow zn | 165 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #10-32 | 10-32 thin nylon ins. l/n plated | 500 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Black Oxide | #10-24 | 10-24 nyl ins l/n blk ox | 93 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | ms21083n4 | 925 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Plain | #10-32 | ms21083-n3 | 151 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | ms21044n06 | 11 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | ms21044n04 | 191 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Plain | #10-24 x 3/8 x 9/32 | ms17830-3c | 60 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Plain | #10-24 | ms17830-010c | 34 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Black Oxide | nylon locknut nln pg 29 blk | 105 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Black Oxide | nylon locknut nln pg 16 blk | 135 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Black Oxide | #9 | nylon locknut nln pg 9 blk | 489 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M8-1.25-1.25 | m8-1.25 nyl ins ln low stl znc din 985-6-1616-161 | 14 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | M6-1-1.00 | m6-1 nyl ins ln low a4ss din 985 | 5000 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | M5-0.8-0.80 | m5-0.8 nylon locknut 316 s.s. waxed | 500 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Class 10.9 | Plain | M27-3.0-3.00 | m27-3.0 nylon insert l/n class 10 | 10 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Plain | M20-2.5-2.50 | m20-2.5 nylon insert l/n metric | 22 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | Class 10.9 | Plain | M16-2.0-2.00 | m16-2.0 nylon insert l/n class 10 | 4 |
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| OneMonroe | NC | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M16-2.0-2.00 | m16-2.0 nylon insert l/n stainless | 77 |
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