2990-01-391-3974

Find complete technical information, availability, and procurement data for: 2990-01-391-3974
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-391-3974

Item Name Code

60804

Assigment Date

06/09/1994 (32 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

paver/finisher end item name, prebent design form, 80906 end item source, pf-400mn end item model number, exhaust pipe usage location

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

End Item Source: 80906
Design Form: prebent
End Item Name: paver/finisher
End Item Model Number: pf-400mn
Usage Location: exhaust pipe
Special Features: 90 deg. bend

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
00164-785-00	Exhaust Pipe

FAQs

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

What is the FSCG of the NSN 2990-01-391-3974?

The FSCG of the NSN 2990-01-391-3974 is 2990

Does the NSN 2990-01-391-3974 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-391-3974 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 2990-01-391-3974 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-391-3974 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 2990-01-391-3974 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Jun 9, 1994