CS1216A286SP

Imperial Large Crownserts

CS Series / Standard Type / A286SP / Large

Installed using the Crownserts Hand-Installation Tool:  CST1216

CS1216A286SP CS Series is a standard imperial Crownserts® threaded insert for durable thread reinforcement. A286 alloy with silver plating for demanding service; specified with 3/4-16 UNF internal thread and 7/8-20 UNEF installation thread.

Crownserts can offer you the part CS1216A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS1216A286SP - Imperial Large Crownserts
CS1216A286SP - Imperial Large Crownserts
CS1216A286SP - Imperial Large Crownserts
CS1216A286SP - Imperial Large Crownserts
 How to install a Crownsert?
CS1216A286SP - Imperial Large Crownserts
CS1216A286SP - Imperial Large Crownserts
CS1216A286SP - Imperial Large Crownserts

Thread & Dimensions

A internal thread (Class 3B) 3/4-16 UNF
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
CS1216A286SP schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & Silver Plated per AMS 2411 (.0002 min. thickness)
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO

Tooling & Preparation

Hand-installation tool part number CST1216
Step drill part number CSD0836
Tap through tool part number TTI0875
Blind tap tool part number TBI0875
Removal tool part number CSRT1216
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Crownserts is offering part CS1216A286SP as factory new.