F7231 - Stake Nut, Floating, 900°F On Howmet Aerospace

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 basket - A286 corrosion resistant steel, heat treated.
FINISH:

Nut - Silver plated per AMS2410.
Basket - Passivated.

FLOATABILITY: .015 radially from center.
TEMPERATURE: to 900°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

Item #	A - MAX	B - MAX	C - MIN	E REF	H - MAX	J - MIN	N - REF	W - MAX	Approx. Weight (LBS/100)	Recommended Installation Hole Dia. +.004 -.001	Thread

F7231-04	N/A 0.040	N/A 0.280	N/A 0.168	N/A 0.125	N/A 0.195	N/A 0.037	N/A 0.135	N/A 0.365	N/A 0.200	N/A 0.281	N/A 0.1120-40 UNJC-3B
F7231-06	N/A 0.040	N/A 0.280	N/A 0.168	N/A 0.125	N/A 0.195	N/A 0.037	N/A 0.161	N/A 0.365	N/A 0.210	N/A 0.281	N/A 0.1380-32 UNJC-3B
F7231-08	N/A 0.040	N/A 0.374	N/A 0.220	N/A 0.125	N/A 0.250	N/A 0.037	N/A 0.200	N/A 0.465	N/A 0.420	N/A 0.375	N/A 0.1640-32 UNJC-3B
F7231-3	N/A 0.040	N/A 0.374	N/A 0.220	N/A 0.125	N/A 0.250	N/A 0.037	N/A 0.225	N/A 0.465	N/A 0.430	N/A 0.375	N/A 0.1900-32 UNJF-3B
F7231-1024	N/A 0.040	N/A 0.374	N/A 0.220	N/A 0.125	N/A 0.250	N/A 0.037	N/A 0.225	N/A 0.465	N/A 0.430	N/A 0.375	N/A 0.1900-24 UNJC-3B

Unit of Measure