CSL918A286SP

Imperial Large Crownserts

CS Series / Locking Type / A286SP / Large

Installed using the Crownserts Hand-Installation Tool:  CTSL918

CSL918A286SP CS Series is a locking imperial Crownserts® threaded insert for durable thread reinforcement. A286 alloy with silver plating for demanding service; specified with 9/16-18 UNF internal thread and 11/16-12 UN installation thread.

Crownserts can offer you the part CSL918A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSL918A286SP - Imperial Large Crownserts
CSL918A286SP - Imperial Large Crownserts
CSL918A286SP - Imperial Large Crownserts
CSL918A286SP - Imperial Large Crownserts
 How to install a Crownsert?
CSL918A286SP - Imperial Large Crownserts
CSL918A286SP - Imperial Large Crownserts
CSL918A286SP - Imperial Large Crownserts

Thread & Dimensions

A internal thread (Class 3B) 9/16-18 UNF
B external thread (Class 3A) 11/16-12 UN
Ø max minor special .6130
Ø C (+.008/-.002) .571
D (+.015/-.000) .145
E .481
G (±.010) .840
J (±1) 42
Through-hole preparation Min. full THD depth 1.248; Min. full depth .873
Blind-hole preparation Min. full THD depth 1.081; Min. full depth .873
CSL918A286SP 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

Step drill part number CSD0625
Tap through tool part number TTI0687
Blind tap tool part number TBI0687
Removal tool part number CSRT918
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Crownserts is offering part CSL918A286SP as factory new.