Howmet Aerospace - MF7231 - Stake Nut, Miniature, Floating, 900°F

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.

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Unit of Measure

Items	MF7231-04 MF7231 - Stake Nut, Miniature, Floating, 900°F	MF7231-06 MF7231 - Stake Nut, Miniature, Floating, 900°F	MF7231-08 MF7231 - Stake Nut, Miniature, Floating, 900°F	MF7231-3 MF7231 - Stake Nut, Miniature, Floating, 900°F	MF7231-1024 MF7231 - Stake Nut, Miniature, Floating, 900°F
A - MAX	N/A 0.040
B - MAX	N/A 0.249	N/A 0.249	N/A 0.311	N/A 0.311	N/A 0.311
C - MIN	N/A 0.168	N/A 0.168	N/A 0.220	N/A 0.220	N/A 0.220
E REF	N/A 0.125
H - MAX	N/A 0.195	N/A 0.195	N/A 0.250	N/A 0.250	N/A 0.250
J - MIN	N/A 0.037
N - REF	N/A 0.135	N/A 0.161	N/A 0.200	N/A 0.225	N/A 0.225
W	N/A 0.312	N/A 0.312	N/A 0.375	N/A 0.375	N/A 0.375
Approx. Weight (LBS/100)	N/A 0.190	N/A 0.200	N/A 0.300	N/A 0.310	N/A 0.310
Recommended Installation Hole Dia. +.004 -.001	N/A 0.250	N/A 0.250	N/A 0.312	N/A 0.312	N/A 0.312
Thread	N/A 4-40 UNC-3B	N/A 6-32 UNC-3B	N/A 8-32 UNC-3B	N/A 10-32 UNF-3B	N/A 10-24 UNC-3B