NSA5054K4

Imperial Structural Locking Inserts

Locking Type / 17-4PH / Structural

Installed using the Crownserts Hand-Installation Tool:  CSTL420

NSA5054K4 CS Series is a locking imperial insert. 17-4PH stainless; 1/4-20 UNC internal, 5/16-24 UNF installation threads. This is an old Anemo part. Please use CSL420

We can offer you the part NSA5054K4 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

NSA5054K4 - Imperial Structural Locking Inserts
NSA5054K4 - Imperial Structural Locking Inserts
NSA5054K4 - Imperial Structural Locking Inserts
NSA5054K4 - Imperial Structural Locking Inserts
 How to install a Crownsert?
NSA5054K4 - Imperial Structural Locking Inserts
NSA5054K4 - Imperial Structural Locking Inserts
NSA5054K4 - Imperial Structural Locking Inserts

Thread & Dimensions

A internal thread (Class 3B) 1/4-20 UNC
B external thread (Class 3A) 5/16-24 UNF
Ø max minor special .2785
Ø C (+.008/-.002) .252
D (+.015/-.000) .095
E .210
G (±.010) .380
J (±1) 24
Through-hole preparation Min. full THD depth .519; Min. full depth .415
Blind-hole preparation Min. full THD depth .519; Min. full depth .415
NSA5054K4 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type I
Temperature range -110°/+650°F
Heat treat RC 35-42
Magnetic YES
Material note Standard material code; no suffix added to the part number.

Tooling & Preparation

Hand-Installation tool part number CSTL420
Step drill part number CSD0281
Tap through tool part number TTI0312
Blind tap tool part number TBI0312
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