17890-A

View detailed technical data, stock status, and sourcing information for: 17890-A
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-136-3799

Item Name Code

10849

Assigment Date

08/07/1982 (43 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.

2990-01-136-3799, exhaust muffler

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
17890-A	Exhaust Muffler
81948	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-136-3799?

The FSCG of the NSN 2990-01-136-3799 is 2990

Does the NSN 2990-01-136-3799 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-136-3799 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 2990-01-136-3799 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-136-3799 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 2990-01-136-3799 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Aug 7, 1982