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CS714A286AL

Imperial Structural Standard Crownserts

CS Series / Standard Type / A286AL / Structural

Installed using the Crownserts Hand-Installation Tool:  CST714

CS714A286AL is an imperial structural standard crownsert in A286 alloy with IVD aluminium coating, designed to strengthen 7/16-14 UNC threads in lightweight parent materials. It uses 1/2-20 UNF external threads and CST714 installation tooling.

Crownserts can offer you the part CS714A286AL with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 7/16-14 UNC
B external thread (Class 3A) 1/2-20 UNF
Ø max minor special .4630
Ø C (+.008/-.002) .439
D (+.015/-.000) .135
F .430
G (±.010) .660
J (±1) 39
Through-hole preparation Min. full THD depth .920; Min. full depth .695
Blind-hole preparation Min. full THD depth .820; Min. full depth .695
CS714A286AL schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish IVD ALUMINIUM coating per MIL-DTL-83488 type 2, Class 3 & SFL per SAE AS5272, Type I
Temperature range Up to 600°F
Heat treat RC 32-40
Magnetic NO

Tooling & Preparation

Hand-installation tool part number CST714
Step drill part number CSD0468
Tap through tool part number TTI0500
Blind tap tool part number TBI0500
Removal tool part number CSRT714

Crownserts is offering part CS714A286AL as factory new.