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All Metal, Locking Thread Nuts – Types LA4, LAC, LAS - Unified
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All Metal, Locking Thread Nuts – Types FE, FEO, HNL, LA4, LAC, LAS, LK, LKA, LKS, SL, UL, RT
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All Metal, Locking Thread Nuts – Types LA4, LAC, LAS
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All Metal, Locking Thread Nuts – Types LA4, LAC, LAS - Unified
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All Metal, Locking Thread Nuts – Types LA4, LAC, LAS - Unified
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Locking and Non-locking Threads
These fasteners provide load-bearing threads in thin sheets and permit up to .030” adjustment for mating hole misalignment.
The self-clinching feature offers fast and simple assembly. The fasteners are squeezed into prepared holes using any standard press. The sheet remains flush on one side, and the fastener is permanently locked in place.
Extra strength and support in assembly is obtained by the threads of the floating nut extending fully into the retainer shank (a unique PEM feature). A self-locking version of the fastener is also offered. Thread locking torque performance is equivalent to applicable NASM25027 specifications.
Non-locking Type A4 and self-locking Type LA4 fasteners provide load-bearing threads in stainless steel sheets as thin as .038” with hardness up to HRB 88 on the Rockwell “B” scale.
Many PEM Type AS and AC self-clinching floating fasteners correspond to sizes in US NASM45938/11 specifications. Check our web site for a complete Military Specification and National Aerospace Standards Reference Guide (Bulletin NASM).
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LAC_LAS_LA4_Installed
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Results 1 - 25 of 28
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Part #
Thread Size
A (Shank) Max.
Hole Size in Sheet + .003 - .000
C Max.
E ± .015
Fastener Material
CAD
LAS-440-1MD
.112-40 (#4-40)
0.038
in
.290
in
.289
in
.360
in
Steel
LAS-632-1MD
.138-32 (#6-32)
0.038
in
.328
in
.327
in
.390
in
Steel
LAS-832-1MD
.164-32 (#8-32)
0.038
in
.368
in
.367
in
.440
in
Steel
LAS-024-1MD
.190-24 (#10-24)
0.038
in
.406
in
.405
in
.470
in
Steel
LAS-032-1MD
.190-32 (#10-32)
0.038
in
.406
in
.405
in
.470
in
Steel
LAS-440-2MD
.112-40 (#4-40)
.054
in
.290
in
.289
in
.360
in
Steel
LAS-632-2MD
.138-32 (#6-32)
.054
in
.328
in
.327
in
.390
in
Steel
LAS-832-2MD
.164-32 (#8-32)
.054
in
.368
in
.367
in
.440
in
Steel
LAS-024-2MD
.190-24 (#10-24)
.054
in
.406
in
.405
in
.470
in
Steel
LAS-032-2MD
.190-32 (#10-32)
.054
in
.406
in
.405
in
.470
in
Steel
LAS-0420-2MD
.250-20 (1/4-20)
.054
in
.515
in
.514
in
.600
in
Steel
LAS-0428-2MD
.250-28 (1/4-28)
.054
in
.515
in
.514
in
.600
in
Steel
LAC-440-1MD
.112-40 (#4-40)
0.038
in
.290
in
.289
in
.360
in
300 Series Stainless Steel
LAC-632-1MD
.138-32 (#6-32)
0.038
in
.328
in
.327
in
.390
in
300 Series Stainless Steel
LAC-832-1MD
.164-32 (#8-32)
0.038
in
.368
in
.367
in
.440
in
300 Series Stainless Steel
LAC-024-1MD
.190-24 (#10-24)
0.038
in
.406
in
.405
in
.470
in
300 Series Stainless Steel
LAC-032-1MD
.190-32 (#10-32)
0.038
in
.406
in
.405
in
.470
in
300 Series Stainless Steel
LAC-440-2MD
.112-40 (#4-40)
.054
in
.290
in
.289
in
.360
in
300 Series Stainless Steel
LAC-632-2MD
.138-32 (#6-32)
.054
in
.328
in
.327
in
.390
in
300 Series Stainless Steel
LAC-832-2MD
.164-32 (#8-32)
.054
in
.368
in
.367
in
.440
in
300 Series Stainless Steel
LAC-024-2MD
.190-24 (#10-24)
.054
in
.406
in
.405
in
.470
in
300 Series Stainless Steel
LAC-032-2MD
.190-32 (#10-32)
.054
in
.406
in
.405
in
.470
in
300 Series Stainless Steel
LAC-0420-2MD
.250-20 (1/4-20)
.054
in
.515
in
.514
in
.600
in
300 Series Stainless Steel
LAC-0428-2MD
.250-28 (1/4-28)
.054
in
.515
in
.514
in
.600
in
300 Series Stainless Steel
LA4-440-1MD
.112-40 (#4-40)
0.038
in
.290
in
.289
in
.360
in
400 Series Stainless Steel
Results 1 - 25 of 28
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