P8821-10-HP-V

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-425-0334

Item Name Code

05488

Assigment Date

02/09/1996 (30 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, -30.0 fahrenheit minimum operating temp, support equipment,b-1 aircraft end item identification, 55.0 gallons per minute valve discharge flow rate, 160.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Valve Discharge Flow Rate: 55.0 gallons per minute
Maximum Operating Temp: 160.0 fahrenheit single response
Minimum Operating Temp: -30.0 fahrenheit
End Item Identification: support equipment,b-1 aircraft
Valve Operation Method: automatic
Opening Pressure Setting: 5000.0 pounds per square inch
Special Features: subplate mounted

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
P8821-10-HP-V	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-425-0334?

The FSCG of the NSN 4820-01-425-0334 is 4820

Does the NSN 4820-01-425-0334 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-425-0334 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 4820-01-425-0334 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-425-0334 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 4820-01-425-0334 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Feb 9, 1996