MATERIAL:
  • Nut: Aluminum alloy.
  • Housing : Alloy steel.
FINISH:
  • Nut: Anodized, blue color. Cetyl alcohol.
  • Housing : Cadmium plate.
LOCKING INSERT: Gold color nylon (250° F max. performance).

PERFORMANCE: NASM 25027 applicable.

THREADS: In accordance with AS-8879 before lubrification.

FLOATABILITY: Float of the nut portion of assembly shall not be less than .030 laterally and longitudinally from the centered position. Nut body shall be capable of engagement with a bolt in the maximum misaligned position. Maximum vertical float within the housing .020 for .1900 size and smaller .030 for .2500 size and larger.

VARIATION: Add « K » for bottom c’sunk rivet holes, for example: SNLA-039-3K.

APPLICATION: Type SNLA parts are designed for use with oversize clearance holes to permit interchangeable mounting of parts and sub-assemblies with a lesser degree of alignment accuracy than is usually required with fixed nuts.

NOTES: For oversize rivet holes, (.161 DIA. for sizes -7 and -8 per NAS 1031) add code Q after the reference (ex: SNLA 039-7Q) .This variation is subject to a minimum order quantity if not available from stock. The P/N SNLA 039-7 and SNLA 039-8 do not conform to NAS 1031.

Contact Alcoa for the diameter/type in manufacturing.
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Item #

A - MAX

B - MAX

B - MIN

C ±.005

D - MAX

D - MIN

H - MAX

Thread

SNLA 039-04 N/A 0.984 Inch N/A 0.416 Inch N/A 0.328 Inch N/A 0.344 Inch N/A 0.260 Inch N/A 0.198 Inch N/A 0.218 Inch N/A 0.1120-40 UNJC-3B
SNLA 039-06 N/A 0.984 Inch N/A 0.416 Inch N/A 0.328 Inch N/A 0.344 Inch N/A 0.260 Inch N/A 0.198 Inch N/A 0.234 Inch N/A 0.1380-32 UNJC-3B
SNLA 039-08 N/A 0.984 Inch N/A 0.416 Inch N/A 0.328 Inch N/A 0.344 Inch N/A 0.270 Inch N/A 0.224 Inch N/A 0.312 Inch N/A 0.1640-32 UNJC-3B
SNLA 039-3 N/A 0.984 Inch N/A 0.416 Inch N/A 0.328 Inch N/A 0.344 Inch N/A 0.270 Inch N/A 0.250 Inch N/A 0.312 Inch N/A 0.1900-32 UNJF-3B
SNLA 039-4 N/A 1.296 Inch N/A 0.516 Inch N/A 0.406 Inch N/A 0.500 Inch N/A 0.330 Inch N/A 0.310 Inch N/A 0.387 Inch N/A 0.2500-28 UNJF-3B
SNLA 039-5 N/A 1.296 Inch N/A 0.609 Inch N/A 0.484 Inch N/A 0.500 Inch N/A 0.393 Inch N/A 0.373 Inch N/A 0.387 Inch N/A 0.3125-24 UNJF-3B
SNLA 039-6 N/A 1.296 Inch N/A 0.641 Inch N/A 0.583 Inch N/A 0.500 Inch N/A 0.455 Inch N/A 0.435 Inch N/A 0.479 Inch N/A 0.3750-24 UNJF-3B
SNLA 039-7 N/A 1.477 Inch N/A 0.719 Inch N/A 0.672 Inch N/A 0.562 Inch N/A 0.517 Inch N/A 0.497 Inch N/A 0.504 Inch N/A 0.4375-20 UNJF-3B
SNLA 039-7Q N/A 1.477 Inch N/A 0.719 Inch N/A 0.672 Inch N/A 0.562 Inch N/A 0.517 Inch N/A 0.497 Inch N/A 0.504 Inch N/A 0.4375-20 UNJF-3B
SNLA 039-8 N/A 1.602 Inch N/A 0.859 Inch N/A 0.796 Inch N/A 0.625 Inch N/A 0.580 Inch N/A 0.560 Inch N/A 0.630 Inch N/A 0.5000-20 UNJF-3B
SNLA 039-8Q N/A 1.602 Inch N/A 0.859 Inch N/A 0.796 Inch N/A 0.625 Inch N/A 0.580 Inch N/A 0.560 Inch N/A 0.630 Inch N/A 0.5000-20 UNJF-3B
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