4820-01-273-1280

Find complete technical information, availability, and procurement data for: 4820-01-273-1280
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-273-1280 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-273-1280

Item Name Code

05488

Assigment Date

02/20/1988 (38 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.

4.250 inches all ends nominal outside diameter, automatic valve operation method, flange all ends connection type, 150.0 pounds per square inch single response maximum operating pressure, 1.000 inches valve size

Product Characteristics

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

Valve Operation Method: automatic
Connection Type: flange all ends
Valve Size: 1.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 4.250 inches all ends
Nominal Thickness: 0.375 inches all ends
First Connection Face To Centerline Distance: 3.250 inches
Second Connection Face To Centerline Distance: 3.250 inches
Material: copper alloy body
Style Designator: angle flanged 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
20198MM41M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-273-1280?

The FSCG of the NSN 4820-01-273-1280 is 4820

Does the NSN 4820-01-273-1280 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-273-1280 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 4820-01-273-1280 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-273-1280 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 4820-01-273-1280 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Feb 20, 1988