CSL524AL

Imperial Structural Locking Crownserts

CSL Series / Locking Type / AL / Structural

Installed using the Crownserts Hand-Installation Tool:  CSTL524

CSL524AL reinforces or repairs 5/16-24 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. 17-4PH stainless steel with IVD aluminium coating, with .343 11/32 tap-hole guidance and CSTL524 hand installation tooling.

Crownserts can offer you the part CSL524AL with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSL524AL - Imperial Structural Locking Crownserts
CSL524AL - Imperial Structural Locking Crownserts
CSL524AL - Imperial Structural Locking Crownserts
CSL524AL - Imperial Structural Locking Crownserts
 How to install a Crownsert?
CSL524AL - Imperial Structural Locking Crownserts
CSL524AL - Imperial Structural Locking Crownserts
CSL524AL - Imperial Structural Locking Crownserts

Thread & Dimensions

A internal thread (Class 3B) 5/16-24 UNF
B external thread (Class 3A) 3/8-24 UNF
Ø max minor special .3405
Ø C (+.008/-.002) .314
D (+.015/-.000) .110
E .266
G (±.010) .470
J (±1) 29
Through-hole preparation Min. full THD depth .693; Min. full depth .505
Blind-hole preparation Min. full THD depth .693; Min. full depth .505
CSL524AL schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish IVD ALUMINIUM coating per MIL-DTL-83488 type 2, Class 3 & SFL per SAE AS5272, Type I
Temperature range Up to 600°F
Heat treat RC 35-42
Magnetic YES

Tooling & Preparation

Hand-installation tool part number CSTL524
Step drill part number CSD0343
Tap through tool part number TTI0375
Blind tap tool part number TBI0375
Removal tool part number CSRT518
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Crownserts is offering part CSL524AL as factory new.