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CS912A286P

Imperial Large Crownserts

CS Series / Standard Type / A286P / Large

Installed using the Crownserts Hand-Installation Tool:  CST912

CS912A286P reinforces or repairs 9/16-12 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. A286 high-temperature alloy, with .625 5/8 tap-hole guidance and CST912 hand installation tooling.

Crownserts can offer you the part CS912A286P with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 9/16-12 UNC
B external thread (Class 3A) 11/16-12 UN
Ø max minor special .6130
Ø C (+.008/-.002) .571
D (+.015/-.000) .145
F .550
G (±.010) .840
J (±1) 42
Through-hole preparation Min. full THD depth 1.248; Min. full depth .873
Blind-hole preparation Min. full THD depth 1.081; Min. full depth .873
CS912A286P schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO
Material note Only non-locking version available.

Tooling & Preparation

Hand-installation tool part number CST912
Step drill part number CSD0625
Tap through tool part number TTI0687
Blind tap tool part number TBI0687
Removal tool part number CSRT912

Crownserts is offering part CS912A286P as factory new.