CS0256LA286

Imperial Miniature Crownserts

CS Series / Locking Type / A286 / Miniature

Installed using the Crownserts Hand-Installation Tool:  CSTL02

CS0256LA286 is an imperial miniature crownsert in A286 high-temperature alloy, designed to strengthen 2-56 UNC threads in lightweight parent materials. It uses 6-40 UNF external threads and CSTL02 installation tooling.

Crownserts can offer you the part CS0256LA286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS0256LA286 - Imperial Miniature Crownserts
CS0256LA286 - Imperial Miniature Crownserts
CS0256LA286 - Imperial Miniature Crownserts
CS0256LA286 - Imperial Miniature Crownserts
 How to install a Crownsert?
CS0256LA286 - Imperial Miniature Crownserts
CS0256LA286 - Imperial Miniature Crownserts
CS0256LA286 - Imperial Miniature Crownserts

Thread & Dimensions

A internal thread (Class 3B) 2-56 UNC
B external thread (Class 3A) 6-40 UNF
Ø max minor special .1073
Ø C (+.008/-.002) .086
D (+.015/-.000) .042
E .073
G (±.010) .170
J (±1) 21
Through-hole preparation Min. full THD depth .273; Min. full depth .160
Blind-hole preparation Min. full THD depth .223; Min. full depth .160
CS0256LA286 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 CSTL02
Step drill part number CSD0113
Tap through tool part number TTI0136
Blind tap tool part number TBI0136 / TBI0138
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Crownserts is offering part CS0256LA286 as factory new.