Thread & Dimensions
A internal thread (Class 3B)
3/4-10 UNC
B external thread (Class 3A)
7/8-20 UNEF
Ø max minor special
.8240
Ø C (+.008/-.002)
.756
D (+.015/-.000)
.170
F
.750
G (±.010)
1.120
J (±1)
44
E
.648
Through-hole preparation
Min. full THD depth 1.380; Min. full depth 1.155
Blind-hole preparation
Min. full THD depth 1.280; Min. full depth 1.155
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
Crownserts is offering part CSL1210A286SP as factory new.