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THREAD: AS8879
MATERIAL: Waspaloy per AMS 5709 (UNS N07001).
HEAT TREAT: Rc 44 maximum.
FINISH:
  • H55037-(*) - Silver plate per AMS2411.
  • H55037-(*) DL - Passivate per AMS-QQ-P-35 and Kaylube molybdenum disulfide dry film lubricant coat per AS5272, Type I.
PERFORMANCE: NASM25027, except as follows:
  • Axial tensile strength as tabulated.
  • Temperature of 1400°F.
  • Locking torque to be checked on a .003 reduced P.D. Waspaloy bolt or stud.
NOTES:
100% Fluorescent penetrant inspection per ASTM E1417.
Unit of Measure

A - MAX

0.740

B - MIN

0.710

C - MIN

0.703

D - MAX

0.530

H - MAX

0.620

S - MIN

0.316

V - MIN

0.079

W

0.627 in0.627-0.616

Y

0.005

Z

0.003

Axial Tensile Strength (LBS. MIN)

28800

Approx. Weight (LBS/100)

3.220

Finish

Silver Plate per AMS-QQ-P-35

Thread Type

Unified

Configuration 1

Double Hex

Lock

Crimp Lock

Simplified Material

Waspaloy

Strength

180KSI - 1250Mpa

Temperature

1400°F - 760°C

Thread

0.5000-20 UNJF-3B

Part Family

H55037