Howmet Fastening Systems
Howmet Fastening Systems
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Technical Support +1 310 784 6409
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Website: www.hfs.howmet.com
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THREAD: AS8879
MATERIAL: Nut and Basket - A286 corrosion resistant steel, heat treated.
FINISH:
  • Nut - Silver plate per AMS2410.
  • Basket - Passivate per AMS2700.
PERFORMANCE: NASM25027.
FLOATABILITY: .020 min. radially from center.
TEMPERATURE: 900&#176F.
NOTES:
  1. This part conforms to NAS 1068.
  2. *Indicates material corrosion resistant steel.
MF1331 Anchor Nut,Two-Lug, Miniature,Floating,Reduced Rivet Spacing, Self-locking Fastener
Unit of Measure
1 

Item #

A - MAX

B - MIN

C ± .005

F - REF

H - MAX

J ± .002

K +.005 / -.000

P - MIN

V - REF

W - MAX

Approx. Weight (LBS/100)

Thread

MF1331-02 N/A 0.458 N/A 0.150 N/A 0.148 N/A 0.130 N/A 0.140 N/A 0.296 N/A 0.066 N/A 0.152 N/A 0.020 N/A 0.315 N/A 0.070 N/A 0.0860-56 UNJC-3B
MF1331-04 N/A 0.458 N/A 0.150 N/A 0.148 N/A 0.130 N/A 0.153 N/A 0.296 N/A 0.066 N/A 0.152 N/A 0.020 N/A 0.315 N/A 0.080 N/A 0.1120-40 UNJC-3B
Unit of Measure
1