NSA5054-5N

Imperial Structural Standard Inserts

Standard Type / 17-4PH / Structural

NSA50545N repairs/reinforces 5/16-18 UNC imperial threads in Al/Mg or other non-ferrous materials; 17-4PH stainless. Tap hole .343 11/32.

This is an old part number for Anemo. We strongly recommend our alternative part CS518, which has the same properties.

How to install a Crownsert?

A internal thread (Class 3B) 5/16-18 UNC

B external thread (Class 3A) 3/8-24 UNF

Ø max minor special .3405

Ø C (+.008/-.002) .314

D (+.015/-.000) .110

F .310

G (±.010) .470

J (±1) 29

Combo swage and drive tool part n° CST518

Through-hole preparation Min. full THD depth .693; Min. full depth .505

Blind-hole preparation Min. full THD depth .693; Min. full depth .505

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 CST518

Tap-through tool TTI0375

Blind tap tool TBI0375

Step drill tool CSD0343

Removal tool CSRT518, CSRT524

Wobble broach CSBT518W

After-swage gage CSASG518

Serration gage CSSG518