CS1210A286

Imperial Large Crownserts

CS Series / Standard Type / A286 / Large

Installed using the Crownserts Hand-Installation Tool:  CST1210

CS1210A286 reinforces or repairs 3/4-10 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. A286 high-temperature alloy, with .836 27/32 tap-hole guidance and CST1210 hand installation tooling.

Crownserts can offer you the part CS1210A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS1210A286 - Imperial Large Crownserts
CS1210A286 - Imperial Large Crownserts
CS1210A286 - Imperial Large Crownserts
CS1210A286 - Imperial Large Crownserts
 How to install a Crownsert?
CS1210A286 - Imperial Large Crownserts
CS1210A286 - Imperial Large Crownserts
CS1210A286 - Imperial Large Crownserts

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
CS1210A286 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 CST1210
Step drill part number CSD0836
Tap through tool part number TTI0875
Blind tap tool part number TBI0875
Removal tool part number CSRT1210
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Crownserts is offering part CS1210A286 as factory new.