Thread & Dimensions
A internal thread (Class 3B)
2-56 UNC
B external thread (Class 3A)
8-32 UNC
Ø max minor special
.1380
Ø C (+.008/-.002)
.116
D (+.015/-.000)
.042
F ref
.080
G (±.010)
.130
Through-hole preparation
Min. full depth 0,160
Blind-hole preparation
Min. full depth 0,160
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