4820-00-499-4321

Find complete technical information, availability, and procurement data for: 4820-00-499-4321
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-499-4321

Item Name Code

05483

Assigment Date

06/23/1971 (55 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.

plain,optional end(pipe) all ends connection style, piston flow control device, right-hand all ends thread direction, threaded bonnet attachment method, inside screw bonnet type

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: piston
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 1.000 inches all ends
Material: steel overall
Style Designator: angle
Thread Series Designator: npt all ends

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
VS5U	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-499-4321?

The FSCG of the NSN 4820-00-499-4321 is 4820

Does the NSN 4820-00-499-4321 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-00-499-4321 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 4820-00-499-4321 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-499-4321 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 4820-00-499-4321 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jun 23, 1971