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THREAD: AS8879
MATERIAL:
  • Nut - 7075 aluminum alloy per AMS4340 (UNS A97050) or 7075 aluminum alloy per AMS-QQ-A-225/9 (UNS A97075). Heat treated to "T73" condition.
  • Washer - 17-4PH stainless steel per AMS5643 (USN S17400). Aged to H-1025 condition per AMS-H-6875.
FINISH:
  • Nut - Anodize per MIL-A-8625, Type II, Class 2, dyed color black and cetyl alcohol lubricant.
  • Washer - Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
PERFORMANCE: KFS 1008, except one cycle use.
MISALIGNMENT: Up to 7° maximum from centered position.
APPLICATION: For use on standard to .032 oversize shank bolts.
PACKAGING: Parts are normally supplied in bulk packaging. Add "S" after dash number for spindle packaged nuts for use with K-Fast automatic tools. Example: KFN676-4S.
NOTES:
  1. Parts are supplied in assembled (bonded) condition. Example: KFN676-4. To order individually, add "B" for nut only. Example: KFN676B4.
  2. "C" and "W" dimensions apply before forming self-locking feature.
Unit of Measure

Specifications

A

N/A 0.915-0.905

B - REF

N/A 0.690

C - MIN

N/A 0.631

D

N/A 0.538-0.534

H - MAX

N/A 0.460

M

N/A 0.120-0.100

R - REF

N/A 0.510

V

N/A 0.205-0.195 0.205 Inch

W

N/A 0.564-0.553

Axial Tensile Strength (LBS. MIN)

N/A 12500

Approx. Weight (LBS/100)

N/A 2.100

Packaging

N/A Spindle

Thread Type

N/A Unified

Configuration 1

N/A 6 Point

Configuration 2

N/A Self-Aligning

Simplified Material

N/A Aluminum

Strength

N/A 80KSI - 550Mpa

Temperature

N/A 250°F - 120°C

Thread

N/A 0.5000-20 UNJF-3B