4820-01-571-9821

Find complete technical information, availability, and procurement data for: 4820-01-571-9821
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-571-9821

Item Name Code

05488

Assigment Date

02/24/2009 (17 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.

automatic valve operation method, 20.0 gallons per minute valve discharge flow rate, +600.0 to 3600.0 pounds per square inch adjustable pressure range, hydraulic, power unit d50.9g0 end item identification, cartridge type direct-acting relief valve part name assigned by controlling agency

Product Characteristics

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

Valve Discharge Flow Rate: 20.0 gallons per minute
End Item Identification: hydraulic, power unit d50.9g0
Valve Operation Method: automatic
Adjustable Pressure Range: +600.0 to 3600.0 pounds per square inch
Part Name Assigned By Controlling Agency: cartridge type direct-acting relief valve
Style Designator: screw-in cartridge

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
565568	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-571-9821?

The FSCG of the NSN 4820-01-571-9821 is 4820

Does the NSN 4820-01-571-9821 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-571-9821 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 4820-01-571-9821 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-571-9821 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 4820-01-571-9821 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Tue, Feb 24, 2009