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CS1210A286P

Imperial Large Crownserts

CS Series / Standard Type / A286P / Large

Installed using the Crownserts Hand-Installation Tool:  CST1210

CS1210A286P is an imperial large crownsert in A286 high-temperature alloy, designed to strengthen 3/4-10 UNC threads in lightweight parent materials. It uses 7/8-20 UNEF external threads and CST1210 installation tooling.

Crownserts can offer you the part CS1210A286P with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 3/4-10 UNC
B external thread (Class 3A) 7/8-20 UNEF
Ø max minor special .8240
Ø C (+.008/-.002) .756
D (+.015/-.000) .170
F .750
G (±.010) 1.120
J (±1) 44
Through-hole preparation Min. full THD depth 1.380; Min. full depth 1.155
Blind-hole preparation Min. full THD depth 1.280; Min. full depth 1.155
CS1210A286P schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO
Material note Only non-locking version available.

Tooling & Preparation

Hand-installation tool part number CST1210
Step drill part number CSD0836
Tap through tool part number TTI0875
Blind tap tool part number TBI0875
Removal tool part number CSRT1210

Crownserts is offering part CS1210A286P as factory new.