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 | ||||||||
| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M3-0.50 | m3-.5 nylon insert l/n trivalent zinc nylon insert | nylon insert | nylon insert | 3,000 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 9/16-12 | 9/16-12 nylon insert lock nut trivalent zinc nylon insert l/n trivalent zinc | nylon insert l/n trivalent zinc | nylon insert l/n trivalent zinc | 200 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Grade 5 | Zinc/Clear | 5/16-18 | 5/16-18 nylon insert lock nut grade 5 zinc earn p# 361035t | earn p# 361035t | earn p# 361035t | earn p# 361035t | 4,000 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Plain | 5/16-18 | 5/16-18 locking hex nut nylon nl-51618 | nl-51618 | nl-51618 | nl-51618 | nl-51618 | 600 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 3/4-10 | 3/4-10 hex nylok nut i nylon lock nu 75CNNEZ | 5 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 7/8-9 | 7/8-9 hex nylok nut i 87CNNEZ | 125 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #8-32 | nylon insert lock nut-ntm pattern thin pattern-Cr3+ | 6,930 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | M10-1.50 | nylon insert l/n Cr3+ din 985 din 985 | 1,100 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 5/16-18 | 5/16-18 hex nylok nut low profile - Cr3+ 31CNNEZ/CR3LOW | 3,000 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #4-40 | hex nylon insert l/n low profile Cr3+ | 450 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Grade 8 | Plain | 1-8 | nylon insert l/n- | 5 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 5/16-18 | 5/16-18 nylon lock nut-gr 8 steel zinc & yellow grade c locknut | grade c locknut | grade c locknut | 50 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 | 6-32 hex nylok nut low profile stainless nylon ins l/n | nylon ins l/n | nylon ins l/n | 24 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 | 2-56 hex nylok nut stainless nylon ins l/n | nylon ins l/n | nylon ins l/n | 70 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 3/8-16 | 3/8-16 hex nylok nut zinc i see 37cnnez/cr3 see 37cnnez/cr3 | 300 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 5/16-18 | 5/16-18 hex nylok nut low profile zinc i nte pattern see 31cnnez/cr3low nte pattern see 31cnnez/cr3low | 160 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Grade 5 | Zinc/Clear | 3/4-10 | 3/4-10 nylon insert l/n grade 5 trivalent zinc 95615a270 95615a270 | 125 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Grade 5 | Zinc/Clear | 1/2-13 | 1/2-13 grade 5 nylon insert l/n trivalent zinc gr.5 nylon insert gr.5 nylon insert | 2,000 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Grade 5 | Zinc/Clear | 1/4-20 | 1/4-20 nylon insert lock nut steel grade 5 zinc rohs nylon insert l/n nylon insert l/n | 9,500 |
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| Cal Fastenrs | CA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #6-32 | 6-32 nylon insert lock nut-trivalent zinc nm series | 1,483 |
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| Active | Lock Nut, Nylon Insert | Plain | 1/4-20 | 1/4-20 wing nut nylon insert locknut | 320 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 3/4-5 | 1 3/4-5 nylock nut zinc | 15 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/2-6 | 1 1/2-6 nylock nut zinc | 730 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/2-6 | 1 1/2-6 nylock nut 18-8 ss | 2 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 3/8-6 | 1 3/8-6 nylock nut zinc | 12 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/4-12 | 1 1/4-12 nylock nut zinc | 28 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/4-7 | 1 1/4-7 nylock nut 18-8 ss | 21 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/8-7 | 1 1/8-7 nylock nut zinc | 329 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1-14 | 1-14 nylock nut zinc | 58 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-14 | 1-14 nylock nut 18-8 ss | 13 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 | 1-8 nylock nut 18-8 ss | 191 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 7/8-14 | 7/8-14 nylock nut zinc | 228 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8-14 | 7/8-14 nylock nut 18-8 ss | 7 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8-9 | 7/8-9 nylock nut 18-8 ss | 219 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4-16 | 3/4-16 nylock nut 18-8 ss | 40 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4-10 | 3/4-10 nylock nut 18-8 ss | 120 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 5/8-18 | 5/8-18 nylock nut zinc | 252 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-18 | 5/8-18 nylock nut 18-8 ss | 400 |
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| Weaver | WA | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 9/16-18 | 9/16-18 nylock nut zinc | 249 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 9/16-18 | 9/16-18 nylock nut 18-8 ss | 141 |
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| Weaver | WA | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 9/16-12 | 9/16-12 nylock nut 18-8 ss | 22 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | Steel | Plain | #8-32 | m45938/8-36 (esna l79nc6-832) M45938/836 | 5 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | MS17830-04C316 (ESNA NM LOCK NUT 4-40 316 SS) MS1783004C316 | 50 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 | 6-32 thin stop nut [ntm-nte] 18-8 ss | 866 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 x 79 | 2-56 esna 1660 l/n 79-1660-26 18-8 ss | 140 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M5-0.80 | M5-.8 ny insert l/n (ne/nm) 18-8 ss din 985 | 500 |
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| RePneu To | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 1-8 | 1-8 nylon insert locknuts grade c zinc-yellow cr+6 | 175 |
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| RePneu To | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 7/8-9 | 7/8-9 nylon insert locknuts grade c zinc-yellow cr+6 | 250 |
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| RePneu To | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 3/4-10 | 3/4-10 nylon insert locknuts grade c zinc-yellow cr+6 | 400 |
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| RePneu To | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 7/16-14 | 7/16-14 nylon insert locknuts grade c zinc-yellow cr+6 | 2000 |
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| RePneu To | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 5/16-18 | 5/16-18 nylon insert locknuts grade c zinc-yellow cr+6 | 3000 |
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| RePneu To | Lock Nut, Nylon Insert | Grade C | Zinc/Yellow | 1/4-20 | 1/4-20 nylon insert locknuts grade c zinc-yellow cr+6 | 3500 |
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| RePneu To | Lock Nut, Nylon Insert | Grade 2 | Zinc/Clear | 7/8-9 | 7/8-9 unc ne (standard) nylon insert locknuts coarse low carbon zinc cr+3 | 250 |
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| RePneu To | Lock Nut, Nylon Insert | Grade 2 | Zinc/Clear | 7/16-14 | 7/16-14 unc ne (standard) nylon insert locknuts coarse low carbon zinc cr+3 | 2000 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 | ms21083c06 (6-32 esna nut ntm ss) | 58 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | Steel | Plain | #10-32 | ms21044n3 (10-32 nm esna nut st c&y) | 30 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | Steel | Plain | 04 | ms21044n04 (4-40 nm esna nut st c&y) | 60 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | Steel | Plain | #10-32 | lock nut 10-32 nylon | 812 |
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| TownCountry | AR | Lock Nut, Nylon Insert | Grade 8 | Phosphate | 3/8-16 | 3/8-16 nylon insert lock nut ne gr.8 phosphate and oil | 970 |
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| TownCountry | AR | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 | 3/8-16 nylon insert lock nut ne s.s. 18-8 | 26 |
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| TownCountry | AR | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 | #10-24 nylon insert locknut nm 18-8 stainless steel | 200 |
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| Jackson | MS | Lock Nut, Nylon Insert | Brass | Plain | #8-32 | 8-32 nc ne nylon lock nut brass | 1389 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M3-0.50 | m3 x .50 coarse nylock nut metric a-2 stainless | 300 |
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| Jackson | MS | Lock Nut, Nylon Insert | Grade 8 | Zinc/Yellow | 1 3/4-5 | 1 3/4-5 nc nylon insert grade 8 locknut zinc yellow ne domes tic | 12 |
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| Jackson | MS | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | 1/2-20 | 1/2-20 nf nylon locknut 316 stainless | 30 |
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| Jackson | MS | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | 3/8-24 | 3/8-24 nf nylon locknut 316 stainless | 63 |
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| Jackson | MS | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | 1/4-28 | 1/4-28 nf nylon locknut 316 stainless | 100 |
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| Jackson | MS | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | #10-32 | 10-32 nf nylon locknut 316 ss | 50 |
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| Jackson | MS | Lock Nut, Nylon Insert | Class 10.9 | Zinc/Clear | M24-2.00 | m24 x 2.00 fine pitch metric nyloc nut class 10 985-10 zinc plated | 5 |
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| TownCountry | AR | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/4-12 | 1 1/4-12 nylon insert lock nut nte zinc | 10 |
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| TownCountry | AR | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 | 1-8 nylon insert lock nut ne s.s. 304 | 14 |
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| TownCountry | AR | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8-9 | 7/8-9 nylon insert lock nut ne s.s. 18-8 | 258 |
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| TownCountry | AR | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | 3/8-24 | 3/8-24 nylon insert lock nut ne s.s. 316 | 100 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/4-8 | special 2 waf x1.15 tall nylon insert locknut , zinc clear | 89 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16-20 | nf nylon locknut 18-8 ss | 229 |
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| Jackson | MS | Lock Nut, Nylon Insert | Grade 8 | Plain | 1 1/4-7 | nc nylon insert l/n | 1 |
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| Jackson | MS | Lock Nut, Nylon Insert | Grade B8 | Plain | 5/8-11 | nc nylon insert lock nut green special 316 ss b8f domestic .9315 waf .7405 height | 9 |
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| Jackson | MS | Lock Nut, Nylon Insert | 316, 317, A4 Stainless | Plain | 5/16-24 | nf nylon locknut 316 stainless | 55 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | Aluminum | Plain | #4-40 | 4-40 esna 1660 l/n 68-1660-40 alum | 620 |
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| MAINSOURC | NH | Lock Nut, Nylon Insert | Steel | Plain | M8-1.25 | ny insert l/n (ne/nm) stl z/clr din 985 | 100 |
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| TownCountry | AR | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #6-32 | nylon insert lock nut nm | 2200 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 | nc nylon insert lock nut green special 18-8 ss dom.. | 78 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 | nc nylon insert lock nut red special18-8 ss dom.. | 62 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 3/4-12 | nf nylon insert locknut ne dom.. | 2 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 3/4 | nc nylon insert locknut ne | 2 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | 1 1/2 | nc nylon insert locknut ne dom.. | 20 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Yellow | 1/2-20 | nf nylon insert locknut ne dom.. (green) | 246 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Yellow | 1/2 | nc nylon insert locknut ne dom.. (green) | 487 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Green | 7/16 | nc nylon insert locknut ne green dom.. | 518 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Yellow | 1/4 | nc nylon insert locknut ne dom.. (green) | 304 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Yellow | #10-32 | nf nylon insert locknut ne dom.. (green) | 415 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #8-32 | nc nylon insert locknut ne dom.. | 15 |
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| Jackson | MS | Lock Nut, Nylon Insert | Steel | Zinc/Clear | #2-56 | nc nylon insert locknut ne | 141 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/8-7 | nc nylon locknut 18-8 ss 2.062 wafx1.109 height | 4 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 | nc nylon locknut 18-8 ss | 13 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 | nf nylon locknut 18-8 ss | 117 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | nc nylon insert locknut 18-8 304 ne dom.. (red) | 80 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 | nc nylon insert locknut 18-8 304 ne dom.. (green) | 44 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 | nf nylon locknut 18-8 ss | 442 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 | nc nylon locknut 7/16 wafx5/16 thick 18-8 s/s | 22048 |
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| Jackson | MS | Lock Nut, Nylon Insert | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #12-24 | nc nylon locknut 18-8 ss | 281 |
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