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4820-01-273-0491

Find complete technical information, availability, and procurement data for: 4820-01-273-0491

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4820-01-273-0491
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-273-0491
Item Name Code
05488
Assigment Date
02/19/1988 (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.

automatic valve operation method, +1000.0 to 1500.0 pounds per square inch adjustable pressure range

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
Adjustable Pressure Range
+1000.0 to 1500.0 pounds per square inch

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
1300021 Safety Relief Valve
2300195 Safety Relief Valve
P-3031 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-273-0491?
The FSCG of the NSN 4820-01-273-0491 is 4820
Does the NSN 4820-01-273-0491 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-273-0491 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 4820-01-273-0491 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-273-0491 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 4820-01-273-0491 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Fri, Feb 19, 1988

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