521R015

View detailed technical data, stock status, and sourcing information for: 521R015
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-446-4954

Item Name Code

38089

Assigment Date

07/07/1997 (29 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

5340-01-446-4954, mounting bracket

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
200913900-01	Mounting Bracket
521R015	Mounting Bracket

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5340-01-446-4954?

The FSCG of the NSN 5340-01-446-4954 is 5340

Does NSN 5340-01-446-4954 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5340-01-446-4954 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-446-4954 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-446-4954 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Jul 7, 1997