CS720A286SP

Imperial Structural Standard Crownserts

CS Series / Standard Type / A286SP / Structural

Installed using the Crownserts Hand-Installation Tool:  CST720

CS720A286SP is an imperial structural standard crownsert in A286 alloy with silver plating for demanding service, designed to strengthen 7/16-20 UNF threads in lightweight parent materials. It uses 1/2-20 UNF external threads and CST720 installation tooling.

Crownserts can offer you the part CS720A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS720A286SP - Imperial Structural Standard Crownserts
CS720A286SP - Imperial Structural Standard Crownserts
CS720A286SP - Imperial Structural Standard Crownserts
CS720A286SP - Imperial Structural Standard Crownserts
 How to install a Crownsert?
CS720A286SP - Imperial Structural Standard Crownserts
CS720A286SP - Imperial Structural Standard Crownserts
CS720A286SP - Imperial Structural Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 7/16-20 UNF
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
CS720A286SP 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 CST720
Step drill part number CSD0468
Tap through tool part number TTI0500
Blind tap tool part number TBI0500
Removal tool part number CSRT720
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Crownserts is offering part CS720A286SP as factory new.