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THREAD: AS8879
MATERIAL: 8740 alloy steel per AMS 6322 (UNS G87400). Heat treat - Rc 39-44.
FINISH:
  • H29251-(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 3 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
  • H29251-(*)CW Cadmium plate per AMS-QQ-P-416, Type II, Class 3 and carbowax lubricant.
  • H29251E(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
  • H29251X(*) Cadmium plate per AMS-QQ-P-416, Type II, Class 3.
PERFORMANCE: NASM25027 except as follows:
  • Axial tensile strength as tabulated.
Unit of Measure

Specifications

C - MIN

 1.628

D - MAX

 1.031

H - MAX

 0.824

S - MIN

 0.394

W

 1.440 in1.440-1.427

Axial Tensile Strength (LBS. MIN)

 109000

Approx. Weight (LBS/100)

 17.800

Finish

 Cadmium Plate per AMS-QQ-P-416, Type II, Class 3 plus Kaylube Molybdenum Disulfide Dry Lubricant Coat, Type I

Thread Type

 Unified

Configuration 1

 Double Hex

Configuration 3

 Large Flange

Lock

 Crimp Lock

Simplified Material

 Alloy Steel

Strength

 160KSI - 1100Mpa

Temperature

 450°F - 235°C

Thread

 1.0000-12 UNJF-3B

Part Family

 H29251