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THREAD: AS8879
MATERIAL:
  • Nut - A286 corrosion resistant steel per AMS 5731, AMS 5734 (UNS S662586).
  • Washer - A286 corrosion resistant steel per AMS 5731 or AMS 5737 (UNS S662586).
FINISH:
  • KFN526C(*) - Cadmium plated per fed. spec. AMS-QQ-P-416, Type II, Class 3, and cetyl alcohol lubricant.
  • KFN526DL(*) - Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
  • KFN526E(*) - Silver plated per AMS 2410 and cetyl alcohol lubricant.
PERFORMANCE: KFS1011, except as follows:
  • Axial tensile strength as tabulated.
  • KFN526DL(*) to be tested on titanium pins for 5 cycles.
APPLICATIONS: For use on standard to .032 oversize shank bolts.
MISALIGNMENT: Up to 7° maximum from centered position.
Unit of Measure

Specifications

A - MIN

 N/A 0.530

B - REF

 N/A 0.423

C - MIN

 N/A 0.419

D

 N/A 0.350-0.346

H - MAX

 N/A 0.372

L

 N/A 0.590-0.580

M

 N/A 0.157-0.117

R - REF

 N/A 0.313

V

 N/A 0.145-0.135

W

 N/A 0.376-0.367

X - REF

 N/A 0.430

Axial Tensile Strength (LBS. MIN)

 N/A 8300

Rec'm Seating Torque (LBF-IN)

 N/A 200-250

Approx. Weight (LBS/100)

 N/A 1.380

Finish

 N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 3 plus Cetyl Alcohol Lubricant

Thread Type

 N/A Unified

Configuration 1

 N/A 6 Point

Configuration 2

 N/A Self-Aligning

Simplified Material

 N/A CRES

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 450°F - 235°C

Thread

 N/A 0.3125-24 UNJF-3B