4820-01-255-1120

Find complete technical information, availability, and procurement data for: 4820-01-255-1120
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-255-1120

Item Name Code

05487

Assigment Date

05/15/1987 (39 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.

appl to f101 eng serd 513,acft b-1b supplementary features, 2.000 inches valve size, aluminum alloy body material, 7.062 inches face to face distance

Product Characteristics

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

Valve Size: 2.000 inches
Face To Face Distance: 7.062 inches
Material: aluminum alloy body
Supplementary Features: appl to f101 eng serd 513,acft b-1b

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
483-2D28-2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-255-1120?

The FSCG of the NSN 4820-01-255-1120 is 4820

Does the NSN 4820-01-255-1120 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-255-1120 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 4820-01-255-1120 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-255-1120 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 4820-01-255-1120 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, May 15, 1987