Thread & Dimensions
A internal thread (Class 3B)
3/8-16 UNC
B external thread (Class 3A)
7/16-20 UNF
Ø max minor special
.4010
Ø C (+.008/-.002)
.377
D (+.015/-.000)
.110
F
.370
G (±.010)
.560
J (±1)
34
Through-hole preparation
Min. full THD depth .820; Min. full depth .595
Blind-hole preparation
Min. full THD depth .720; Min. full depth .595
Material & Finish
Material
17-4PH, Cond H1025 per AMS 5643
Finish
PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type I
Temperature range
-110°/+650°F
Heat treat
RC 35-42
Magnetic
YES
Material note
Standard material code; no suffix added to the part number.