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
Print Back
THREAD: AS8879
MATERIAL: Nut and basket - A286 corrosion resistant steel, heat treated.
FINISH:
  • Nut - Silver plated per AMS241.
  • Basket - Passivated per AMS2700.
FLOATABILITY: .015 radially from center min.
PROCUREMENT SPEC: NASM25027.
TEMPERATURE: to 900°F.
APPLICATION: For use with materials such as aluminium alloys, brass and copper.
AVAILABILITY: Tooled.
INSTALLATION DATA: Use Kaylock tool number KT7202 or KT7204.
Unit of Measure

Specifications

A - MAX

 N/A 0.090

B - MAX

 N/A 0.374

C - MIN

 N/A 0.280

E REF

 N/A 0.160

H - MAX

 N/A 0.279

J - MIN

 N/A 0.047

N - REF

 N/A 0.296

W

 N/A 0.437

Approx. Weight (LBS/100)

 N/A 0.560

Recommended Installation Hole Dia.
+.004
-.001

 N/A 0.375

Thread

 N/A 1/4-28 UNF-3B