CS617A286

Imperial Structural Standard Crownserts

CS Series / Standard Type / A286 / Structural

Installed using the Crownserts Hand-Installation Tool:  CST616

CS617A286 reinforces or repairs 3/8-16 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. A286 high-temperature alloy, with .404 size Y tap-hole guidance and CST616 hand installation tooling.

Crownserts can offer you the part CS617A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS617A286 - Imperial Structural Standard Crownserts
CS617A286 - Imperial Structural Standard Crownserts
CS617A286 - Imperial Structural Standard Crownserts
CS617A286 - Imperial Structural Standard Crownserts
 How to install a Crownsert?
CS617A286 - Imperial Structural Standard Crownserts
CS617A286 - Imperial Structural Standard Crownserts
CS617A286 - Imperial Structural Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 3/8-16 UNC
B external thread (Class 3A) 7/16-20 UNF
Ø max minor special .4010
Ø C (+.008/-.002) .377
D (+.015/-.000) .110
F .370
G (±.010) .560
J (±1) 34
Through-hole preparation Min. full THD depth .820; Min. full depth .595
Blind-hole preparation Min. full THD depth .720; Min. full depth .595
CS617A286 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 CST616
Step drill part number CSD0404
Tap through tool part number TTI0437
Blind tap tool part number TBI0437
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Crownserts is offering part CS617A286 as factory new.