3990-01-449-8428

Find complete technical information, availability, and procurement data for: 3990-01-449-8428
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Federal Supply Group

Materials Handling Equipment

Federal Supply Classification

3990 Miscellaneous Materials Handling Equipment

National Stock Number

3990-01-449-8428

Item Name Code

77777

Assigment Date

10/17/1997 (28 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.

3990-01-449-8428, duel side access ai

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
HZDSAA5 48 156	Duel Side Access Ai

FAQs

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

What is the FSCG of the NSN 3990-01-449-8428?

The FSCG of the NSN 3990-01-449-8428 is 3990

Does NSN 3990-01-449-8428 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 3990-01-449-8428 contain precious materials?

Item does not contain precious metal.

Does NSN 3990-01-449-8428 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 3990-01-449-8428 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Fri, Oct 17, 1997