NSA5054-4N

Imperial Structural Standard Inserts

Standard Type / 17-4PH / Structural

NSA50544N CS Series is a standard imperial insert. 17-4PH stainless; 1/4-20 UNC internal, 5/16-24 UNF installation threads.

This is an old part number for Anemo. We strongly recommend our alternative part CS420, which has the same properties.

How to install a Crownsert?

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

F .240

G (±.010) .380

J (±1) 24

Combo swage and drive tool part n° CST420

Through-hole preparation Min. full THD depth .519; Min. full depth .415

Blind-hole preparation Min. full THD depth .519; Min. full depth .415

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

Combo swage and drive installation tool CST420

Tap-through tool TTI0312

Blind tap tool TBI0312

Step drill tool CSD0281

Removal tool CSRT420, CSRT428

Wobble broach CSBT420W

After-swage gage CSASG420

Serration gage CSSG420