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CS524A286

Imperial Structural Standard Crownserts

CS Series / Standard Type / A286 / Structural

Installed using the Crownserts Hand-Installation Tool:  CST524

CS524A286 reinforces or repairs 5/16-24 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. A286 high-temperature alloy, with .343 11/32 tap-hole guidance and CST524 hand installation tooling.

Crownserts can offer you the part CS524A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 5/16-24 UNF
B external thread (Class 3A) 3/8-24 UNF
Ø max minor special .3405
Ø C (+.008/-.002) .314
D (+.015/-.000) .110
F .310
G (±.010) .470
J (±1) 29
Through-hole preparation Min. full THD depth .693; Min. full depth .505
Blind-hole preparation Min. full THD depth .693; Min. full depth .505
CS524A286 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 CST524
Step drill part number CSD0343
Tap through tool part number TTI0375
Blind tap tool part number TBI0375
Removal tool part number CSRT524

Crownserts is offering part CS524A286 as factory new.