4820-01-278-0854

Find complete technical information, availability, and procurement data for: 4820-01-278-0854
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-278-0854

Item Name Code

05489

Assigment Date

04/30/1988 (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.

aluminum and bronze flow control device material, automatic valve operation method, iron body material, 175.0 pounds per square inch single response maximum operating pressure, 4 in. model 22l special features

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
Maximum Operating Pressure: 175.0 pounds per square inch single response
Special Features: 4 in. model 22l
Material: aluminum and bronze flow control device
Material: iron body
Material: rubber seat
Material: steel comp 316 stem

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-284-1972	No Name Available	02/01/1990

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
0172016-2	Butterfly Valve
3247129	Butterfly Valve
3247129-7	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-278-0854?

The FSCG of the NSN 4820-01-278-0854 is 4820

Does the NSN 4820-01-278-0854 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803030

Does NSN 4820-01-278-0854 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-278-0854 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-278-0854 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 4820-01-278-0854 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Apr 30, 1988