5590-149

View detailed technical data, stock status, and sourcing information for: 5590-149
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-125-1301

Item Name Code

20520

Assigment Date

01/22/1982 (44 years ago)

spring disk loading method, poppet flow control device

Product Characteristics

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

Flow Control Device: poppet
Disk Loading Method: spring

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
5590-149	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-125-1301?

The FSCG of the NSN 4820-01-125-1301 is 4820

Does NSN 4820-01-125-1301 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 4820-01-125-1301 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-125-1301 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 4820-01-125-1301 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Jan 22, 1982