Thread & Dimensions
A internal thread (Class 3B)
5/8-18 UNF
B external thread (Class 3A)
13/16-20 UNJEF
Ø max minor special
.7547
Ø C (+.008/-.002)
.714
D (+.015/-.000)
.145
F ref
.620
G (±.010)
.937
Through-hole preparation
Min. full depth 0,972
Blind-hole preparation
Min. full depth 0,972
Material & Finish
Material
17-4PH, Cond H1025 per AMS 5643
Finish
PASSIVATED per AMS 2700 & SFL coated per SAE AS5272
Temperature range
-110°/+650°F
Heat treat
RC 35-42
Magnetic
YES
Material note
Standard material code; no suffix added to the part number.