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SR-374L0008

Imperial Structural Locking Inserts

Locking Type / AL / Structural

Installed using the Crownserts Hand-Installation Tool:  CSTL616

SR-374L0008 is an imperial structural locking insert in IVD-coated 17-4PH stainless for 3/8-16 UNC threads in light alloys; 7/16-20 UNF external; install with CSTL616. This is an old Anemo part. Please use CSL616AL.

We can offer you the part SR-374L0008 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 3/8-16 UNC
B external thread (Class 3A) 7/16-20 UNF
Ø max minor special .4010
Ø C (+.008/-.002) .377
D (+.015/-.000) .110
E .322
G (±.010) .560
J (±1) 34
Through-hole preparation Min. full THD depth .820; Min. full depth .595
Blind-hole preparation Min. full THD depth .720; Min. full depth .595
SR-374L0008 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 CSTL616
Step drill part number CSD0404
Tap through tool part number TTI0437
Blind tap tool part number TBI0437
Removal tool part number CSRT616