Thread & Dimensions
A internal thread (Class 3B)
7/16-14 UNC
B external thread (Class 3A)
9/16-18 UNF
Ø max minor special
.4993
Ø C (+.008/-.002)
.466
D (+.015/-.000)
.135
E ref
.377
G (±.010)
.660
Through-hole preparation
Min. full THD depth .945; Min. full depth 0,695
Blind-hole preparation
Min. full THD depth .834; Min. full depth 0,695
Material & Finish
Material
A286 per AMS5731 or AMS 5734
Finish
PASSIVATED per AMS 2700 & Silver Plated per AMS 2411 (.0002 min. thickness)
Temperature range
-400°/+1200°F
Heat treat
RC 32-40
Magnetic
NO