Thread & Dimensions
A internal thread (Class 3B)
6-32 UNC
B external thread (Class 3A)
12-28 UNF
Ø max minor special
.1758
Ø C (+.008/-.002)
.142
D (+.015/-.000)
.080
F ref
.120
G (±.010)
.210
Through-hole preparation
Min. full THD depth .401; Min. full depth 0,240
Blind-hole preparation
Min. full THD depth .329; Min. full depth 0,240
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