3040-00-494-1321

Find complete technical information, availability, and procurement data for: 3040-00-494-1321
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-494-1321

Item Name Code

22914

Assigment Date

10/02/1970 (55 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.

3040-00-494-1321, shouldered shaft

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
1139285-1	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-494-1321?

The FSCG of the NSN 3040-00-494-1321 is 3040

Does the NSN 3040-00-494-1321 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-494-1321 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 3040-00-494-1321 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-494-1321 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 3040-00-494-1321 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Oct 2, 1970