Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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THREAD: AS8879
MATERIAL:
  • Nut - 7075 aluminum alloy per AMS-QQ-A-225/9 (UNS A97075).
  • Seal - Teflon per ASTM-D-1710.
HEAT TREAT:
  • Nut - T73 condition.
  • Seal - None.
FINISH:
  • Nut - Anodize per MIL-A-8625, blue dye, and cetyl alcohol lubricant.
  • Seal - None.
PERFORMANCE: KFS 1008.
NOTES:
  1. Nut design incorporates positive retention of sealing ring.
  2. "C" and "W" dimensions apply before forming self-locking feature.
Unit of Measure

Specifications

A - MAX

 N/A 0.461

B

 N/A 0.275-0.270

C - MIN

 N/A 0.347

D

 N/A 0.268-0.254

H - MAX

 N/A 0.335

M

 N/A 0.111-0.107

Q

 N/A 0.045-0.025

W

 N/A 0.313-0.306

Axial Tensile Strength (LBS. MIN)

 N/A 3200

Approx. Weight (LBS/100)

 N/A 0.160

Thread Type

 N/A Unified

Configuration 1

 N/A 6 Point

Configuration 2

 N/A Self-Sealing

Simplified Material

 N/A Aluminum

Strength

 N/A 80KSI - 550Mpa

Temperature

 N/A 250°F - 120°C

Thread

 N/A 0.2500-28 UNJF-3B