D-REG-4404

View detailed technical data, stock status, and sourcing information for: D-REG-4404
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-520-5541

Item Name Code

27565

Assigment Date

05/17/2004 (22 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

4820-01-520-5541, fluid pressure regulating 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
18L-590	Fluid Pressure Regulating Valve
19-590	Fluid Pressure Regulating Valve
D-REG-4404	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-520-5541?

The FSCG of the NSN 4820-01-520-5541 is 4820

Does the NSN 4820-01-520-5541 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-520-5541 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 4820-01-520-5541 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-520-5541 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 4820-01-520-5541 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Mon, May 17, 2004