MATERIAL: Alloy steel, AMS6304, AMS6485, and AMS 6487. Heat treated 48HRC max.

FINISH :
  • DCE 45179-3 – Cadmium plate – AMQ-QQ-P416 Type II, Class 2, soluble lubricant.
  • DCE 45179-3M – Cadmium plate – AMS-QQ-P416 Type II, Class 2, dry film lubricant.
PERPENDICULARITY: Bearing surface shall be normal with pitch diameter of thread within X when checked in accordance with procurement specification.

PERFORMANCE : NASM 8922.

THREADS: AS8879 before lubrication.

NOTES:
  1. Wrenches available from Snap-on tools corporation.
  2. Spline Dimensions – per MS33787.
  3. Dry Film Lubricant, when specified, is applied over the Cadmium Plate such parts meet salt spray requirements of AMS-QQ-P-416, Type II.
Contact Alcoa for the diameter/type in manufacturing.
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Item #

A - MAX

B - MIN

D - MAX

D - MIN

H -.000 / -.020

S - MIN

Thread

DCE 45179-3 N/A 0.362 Inch N/A 0.322 Inch N/A 0.220 Inch N/A 0.190 Inch N/A 0.220 Inch N/A 0.089 Inch N/A 0.1900-32 UNJF-3B
DCE 45179-4 N/A 0.460 Inch N/A 0.420 Inch N/A 0.280 Inch N/A 0.250 Inch N/A 0.290 Inch N/A 0.110 Inch N/A 0.2500-28 UNJF-3B
DCE 45179-5 N/A 0.563 Inch N/A 0.523 Inch N/A 0.342 Inch N/A 0.312 Inch N/A 0.360 Inch N/A 0.147 Inch N/A 0.3125-24 UNJF-3B
DCE 45179-6 N/A 0.669 Inch N/A 0.629 Inch N/A 0.405 Inch N/A 0.375 Inch N/A 0.430 Inch N/A 0.176 Inch N/A 0.3750-24 UNJF-3B
DCE 45179-7 N/A 0.773 Inch N/A 0.733 Inch N/A 0.473 Inch N/A 0.438 Inch N/A 0.500 Inch N/A 0.206 Inch N/A 0.4375-20 UNJF-3B
DCE 45179-8 N/A 0.879 Inch N/A 0.839 Inch N/A 0.535 Inch N/A 0.500 Inch N/A 0.575 Inch N/A 0.235 Inch N/A 0.5000-20 UNJF-3B
DCE 45179-9 N/A 0.982 Inch N/A 0.942 Inch N/A 0.597 Inch N/A 0.562 Inch N/A 0.650 Inch N/A 0.264 Inch N/A 0.5625-18 UNJF-3B
DCE 45179-10 N/A 1.088 Inch N/A 1.048 Inch N/A 0.660 Inch N/A 0.625 Inch N/A 0.720 Inch N/A 0.294 Inch N/A 0.6250-18 UNJF-3B
DCE 45179-12 N/A 1.296 Inch N/A 1.256 Inch N/A 0.785 Inch N/A 0.750 Inch N/A 0.860 Inch N/A 0.353 Inch N/A 0.7500-16 UNJF-3B
DCE 45179-14 N/A 1.505 Inch N/A 1.465 Inch N/A 0.910 Inch N/A 0.875 Inch N/A 1.000 Inch N/A 0.411 Inch N/A 0.8750-14 UNJF-3B
DCE 45179-16 N/A 1.720 Inch N/A 1.670 Inch N/A 1.035 Inch N/A 1.000 Inch N/A 1.150 Inch N/A 0.470 Inch N/A 1.0000-12 UNJF-3B
DCE 45179-18 N/A 1.931 Inch N/A 1.881 Inch N/A 1.160 Inch N/A 1.125 Inch N/A 1.300 Inch N/A 0.529 Inch N/A 1.1250-12 UNJF-3B
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