Thread & Dimensions
A internal thread (Class 3B)
4-40 UNC
B external thread (Class 3A)
10-32 UNF
Ø max minor special
.1620
Ø C (+.008/-.002)
.142
D (+.015/-.000)
.060
E ref
.092
G (±.010)
.190
Through-hole preparation
Min. full depth 0,220
Blind-hole preparation
Min. full depth 0,220
Material & Finish
Material
A286 per AMS5731 or AMS 5734
Finish
PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type 1
Temperature range
-400°/+650°F
Heat treat
RC 32-40
Magnetic
NO
Crownserts is offering part CSHL0440A286 as factory new.