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 and retainer - A286 corrosion resistant steel.
FINISH:
  • Nut - Kaylube molybdenum disulfide dry lubricant coated, per AS5217, Type I.
  • Retainer - Passivated AMS2700.
FLOATABILITY: .015 radially from center.
TEMPERATURE RANGE: to 500°F.
PROCUREMENT SPEC: NASM25027.
APPLICATION: For use with materials such as aluminium alloys, brass and copper.
INSTALLATION DATA: Use Kaylock tool number KT7202 or KT7204.
Unit of Measure

Specifications

A - MAX

 N/A 0.040

B - MAX

 N/A 0.374

C - MIN

 N/A 0.220

E REF

 N/A 0.125

H - MAX

 N/A 0.250

J - MIN

 N/A 0.037

N - REF

 N/A 0.200

W - MAX

 N/A 0.465

Approx. Weight (LBS/100)

 N/A 0.420

Recommended Installation Hole Dia.
+.004
-.001

 N/A 0.375

Thread

 N/A 0.1640-32 UNJC-3B