Howmet Aerospace - K7231 - Stake Nut, 900°F

THREAD: AS8879
MATERIAL: A286 corrosion resistant steel, heat treated.
FINISH: Silver plated per AMS2410.
PROCUREMENT SPEC: NASM25027.
TEMPERATURE: 900°F.
APPLICATION: For use with materials such as aluminium alloys, brass and copper.
INSTALLATION DATA: Use Kaylock tool number KT7201 or KT7203.

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Unit of Measure

Items	K7231-04 K7231 - Stake Nut, 900°F	K7231-06 K7231 - Stake Nut, 900°F	K7231-08 K7231 - Stake Nut, 900°F	K7231-3 K7231 - Stake Nut, 900°F	K7231-1024 K7231 - Stake Nut, 900°F
A - MAX	N/A 0.035	N/A 0.035	N/A 0.040	N/A 0.040	N/A 0.040
B - MAX	N/A 0.200	N/A 0.227	N/A 0.280	N/A 0.280	N/A 0.280
C - MIN	N/A 0.112	N/A 0.138	N/A 0.164	N/A 0.190	N/A 0.190
H - MAX	N/A 0.124	N/A 0.141	N/A 0.160	N/A 0.160	N/A 0.160
J - MIN	N/A 0.035	N/A 0.035	N/A 0.040	N/A 0.040	N/A 0.040
N - REF	N/A 0.135	N/A 0.161	N/A 0.200	N/A 0.225	N/A 0.225
T - REF	N/A 0.030
W - MAX	N/A 0.275	N/A 0.305	N/A 0.365	N/A 0.365	N/A 0.365
Recommended Installation Hole Dia. +.004 -.001	N/A 0.201	N/A 0.228	N/A 0.281	N/A 0.281	N/A 0.281
Approx. Weight (LBS/100)	N/A 0.070	N/A 0.080	N/A 0.130	N/A 0.140	N/A 0.140
Thread	N/A 0.1120-40 UNJC-3B	N/A 0.1380-32 UNJC-3B	N/A 0.1640-32 UNJC-3B	N/A 0.1900-32 UNJF-3B	N/A 0.1900-24 UNJC-3B