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: A286 corrosion resistant steel, heat treated.
FINISH: Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I.
PROCUREMENT SPEC: NASM25027.
TEMPERATURE: 500°F.
APPLICATION: For use with materials such as aluminium alloys, brass and copper.
INSTALLATION DATA: Use Kaylock tool number KT7201 or KT7203.
Unit of Measure

Specifications

A - MAX

 N/A 0.074

B - MAX

 N/A 0.374

C - MIN

 N/A 0.250

H - MAX

 N/A 0.210

J - MIN

 N/A 0.050

N - REF

 N/A 0.296

T - REF

 N/A 0.036

W - MAX

 N/A 0.465

Recommended Installation Hole Dia.
+.004
-.001

 N/A 0.375

Approx. Weight (LBS/100)

 N/A 0.250

Thread

 N/A 0.2500-20 UNJC-3B