NMP477

View detailed technical data, stock status, and sourcing information for: NMP477
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-291-6625

Item Name Code

05488

Assigment Date

01/03/1989 (37 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

end item application relief valve special features

Product Characteristics

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

Special Features: end item application relief valve

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
NMP0970A02S0811	Safety Relief Valve
NMP0970A2S0811	Safety Relief Valve
NMP477	Safety Relief Valve
W903	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-291-6625?

The FSCG of the NSN 4820-01-291-6625 is 4820

Does the NSN 4820-01-291-6625 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-291-6625 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 4820-01-291-6625 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-291-6625 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 4820-01-291-6625 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Jan 3, 1989