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THREAD: AS8879
MATERIAL:
4037 alloy steel per AMS 6300 (UNS G40370). Heat treat - Rc 39-43.
8740 alloy steel per AMS 6322 (UNS G87400). Heat treat - Rc 39-44.
FINISH: Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and Kaynar K76 water soluble lubricant (cetyl alcohol).
PERFORMANCE: NASM25027, except as follows:
  1. Axial tensile strength as tabulated.
  2. Maximum locking torque as tabulated.
Unit of Measure

Specifications

A - MAX

 N/A 0.512

B - MIN

 N/A 0.480

C - MIN

 N/A 0.419

D - MIN

 N/A 0.317

H - MAX

 N/A 0.320

M - MIN

 N/A 0.090

W

 N/A 0.376 in0.376-0.367

Axial Tensile Strength (LBS. MIN)

 N/A 7390

Locking Torque (IN-LBS. MAX)

 N/A 30

Approx. Weight (LBS/100)

 N/A 0.600

Thread Type

 N/A Unified

Configuration 1

 N/A Hex

Configuration 3

 N/A Deep C'Bore

Lock

 N/A Crimp Lock

Simplified Material

 N/A Alloy Steel

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 450°F - 235°C

Thread

 N/A 0.3125-24 UNJF-3B

Part Family

 N/A H51132