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CSHL0714A286SP

Imperial Structural Heavy-Duty Locking Crownserts

CSH Series / Locking Type / A286SP / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL714

CSHL0714A286SP is an imperial structural heavy-duty locking crownsert in A286 alloy with silver plating for demanding service, designed to strengthen 7/16-14 UNC threads in lightweight parent materials. It uses 9/16-18 UNF external threads and CSHTL714 installation tooling.

Crownserts can offer you the part CSHL0714A286SP 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) 9/16-18 UNF
Ø max minor special .4993
Ø C (+.008/-.002) .466
D (+.015/-.000) .135
E ref .377
G (±.010) .660
Through-hole preparation Min. full THD depth .945; Min. full depth 0,695
Blind-hole preparation Min. full THD depth .834; Min. full depth 0,695
CSHL0714A286SP schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & Silver Plated per AMS 2411 (.0002 min. thickness)
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO

Tooling & Preparation

Hand-installation tool part number CSHTL714
Step drill part number CSD0515
Tap through tool part number TTI0562
Blind tap tool part number TBI0562
Removal tool part number CSHRT714

Crownserts is offering part CSHL0714A286SP as factory new.