2990-01-642-0503

Find complete technical information, availability, and procurement data for: 2990-01-642-0503
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-642-0503

Item Name Code

37120

Assigment Date

02/11/2015 (11 years ago)

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

2990-01-642-0503, engine exhaust system

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
5007958	Engine Exhaust System

FAQs

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

What is the FSCG of the NSN 2990-01-642-0503?

The FSCG of the NSN 2990-01-642-0503 is 2990

Does the NSN 2990-01-642-0503 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-642-0503 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2990-01-642-0503 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-642-0503 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2990-01-642-0503 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Wed, Feb 11, 2015