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THREAD: AS8879
MATERIAL:
  • Nut - A286 corrosion resistant steel per AMS 5732 or AMS 5737 (UNS S66286).
  • Washer - 321 stainless steel per AMS 5510 (UNS S32100).
FINISH:
  • Nut - Passivated per AMS-QQ-P-35 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
  • Washer - Passivated per AMS-QQ-P-35.
PERFORMANCE: NASM25027, except as follows:
  • Axial tensile strength as tabulated.
NOTES "C" and "W" dimensions apply before forming self-locking feature.
Unit of Measure

Specifications

A - MAX

0.364

C - MIN

0.289

H - MAX

0.214

W

0.252 in0.252-0.245

Axial Tensile Strength (LBS. MIN)

2460

Approx. Weight (LBS/100)

0.220

Thread Type

Unified

Configuration 1

Hex

Configuration 2

Captive Washer

Lock

Crimp Lock

Simplified Material

CRES

Strength

160KSI - 1100Mpa

Temperature

450°F - 235°C

Thread

0.1900-32 UNJF-3B

Part Family

HW42