CSHL524A286

Imperial Structural Heavy-Duty Locking Crownserts

CSH Series / Locking Type / A286 / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL524

CSHL524A286 is an imperial structural heavy-duty locking crownsert in A286 high-temperature alloy, designed to strengthen 5/16-24 UNF threads in lightweight parent materials. It uses 13/32-20 NS external threads and CSHTL524 installation tooling.

Crownserts can offer you the part CSHL524A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts
 How to install a Crownsert?
CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL524A286 - Imperial Structural Heavy-Duty Locking Crownserts

Thread & Dimensions

A internal thread (Class 3B) 5/16-24 UNF
B external thread (Class 3A) 13/32-20 NS
Ø max minor special .3651
Ø C (+.008/-.002) .336
D (+.015/-.000) .110
E ref .266
G (±.010) .470
Through-hole preparation Min. full THD depth .730; Min. full depth 0,505
Blind-hole preparation Min. full THD depth .630; Min. full depth 0,505
CSHL524A286 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 CSHTL524
Step drill part number CSD0368
Tap through tool part number TTI0422
Blind tap tool part number TBI0422
Removal tool part number CSHRT524
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Crownserts is offering part CSHL524A286 as factory new.