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MATERIAL: Alloy steel, heat treated, 49HRC max.

FINISH: Cadmium plate plus dry film lubricant in accordance with NASM25027.

THREADS: AS8879 before lubrification.

CLASSIFICATION: 450° F.

MARKING:
  • SD. Optional location.
  • No identification is required on.1640 size and smaller.
PROCUREMENT SPECIFICATION: NASM25027 except tensile strength.

BEARING SURFACE: Shall be square with pitch diameter within X when measured in accordance with NASM25027.

Contact Howmet for the diameter/type in manufacturing
Unit of Measure

A - MAX

 N/A 0.620 Inch

B - MIN

 N/A 0.575 Inch

C - MIN

 N/A 0.491 Inch

D - MAX

 N/A 0.405 Inch

D - MIN

 N/A 0.375 Inch

H - MAX

 N/A 0.282 Inch

H - MIN

 N/A 0.267 Inch

S - MIN

 N/A 0.125 Inch

V - MIN

 N/A 0.030 Inch

W - MAX

 N/A 0.440 Inch

W - MIN

 N/A 0.430 Inch

X

 N/A 0.004 Inch

Minimum Tensile Strength

 N/A 15200 lb

Approx. Weight

 N/A 0.800 lb/100

Thread Type

 N/A Unified

Configuration 1

 N/A Hex

Lock

 N/A Crimp Lock

Simplified Material

 N/A Alloy Steel

Temperature

 N/A 450°F - 235°C

Specific Material

 N/A Alloy Steel, Heat Treated, 49 HRc Max.

Thread

 N/A 0.3750-24 UNJF-3B

Part Family

 N/A PLH35xx