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CS715A286

Imperial Structural Standard Crownserts

CS Series / Standard Type / A286 / Structural

Installed using the Crownserts Hand-Installation Tool:  CST714

CS715A286 is an imperial structural standard crownsert in A286 high-temperature alloy, 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 CS715A286 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
CS715A286 schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type 1
Temperature range -400°/+650°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

Crownserts is offering part CS715A286 as factory new.