CS0440A286

Imperial Miniature Crownserts

CS Series / Standard Type / A286 / Miniature

Installed using the Crownserts Hand-Installation Tool:  CST04

CS0440A286 is an imperial miniature crownsert in A286 high-temperature alloy, designed to strengthen 4-40 UNC threads in lightweight parent materials. It uses 8-32 UNC external threads and CST04 installation tooling.

Crownserts can offer you the part CS0440A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS0440A286 - Imperial Miniature Crownserts
CS0440A286 - Imperial Miniature Crownserts
CS0440A286 - Imperial Miniature Crownserts
CS0440A286 - Imperial Miniature Crownserts
 How to install a Crownsert?
CS0440A286 - Imperial Miniature Crownserts
CS0440A286 - Imperial Miniature Crownserts
CS0440A286 - Imperial Miniature Crownserts

Thread & Dimensions

A internal thread (Class 3B) 4-40 UNC
B external thread (Class 3A) 8-32 UNC
Ø max minor special .1380
Ø C (+.008/-.002) .116
D (+.015/-.000) .060
F .100
G (±.010) .190
J (±1) 15
Through-hole preparation Min. full THD depth .361; Min. full depth .220
Blind-hole preparation Min. full THD depth .298; Min. full depth .220
CS0440A286 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 CST04
Step drill part number CSD0140
Tap through tool part number TTI0164
Blind tap tool part number TBI0164
Removal tool part number CSRT04
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Crownserts is offering part CS0440A286 as factory new.