20213PM41M

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-278-6170

Item Name Code

05488

Assigment Date

05/06/1988 (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.

copper alloy body material, +110.0 to 160.0 pounds per square inch adjustable pressure range, valve sz 0.500 in. special features, los angeles class ssn(688) end item identification, nickel alloy stem material

Product Characteristics

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

End Item Identification: los angeles class ssn(688)
Adjustable Pressure Range: +110.0 to 160.0 pounds per square inch
Special Features: valve sz 0.500 in.
Material: copper alloy body
Material: nickel alloy stem

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
20213PM41M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-278-6170?

The FSCG of the NSN 4820-01-278-6170 is 4820

Does the NSN 4820-01-278-6170 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-278-6170 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 4820-01-278-6170 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-278-6170 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 4820-01-278-6170 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, May 6, 1988