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4820-01-562-1447

Find complete technical information, availability, and procurement data for: 4820-01-562-1447

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4820-01-562-1447
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-562-1447
Item Name Code
05488
Assigment Date
03/31/2008 (18 years ago)

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

spring disk loading method, piston flow control device, astute class submarine end item identification, 12.0 gallons per minute valve discharge flow rate, manual valve operation method

Product Characteristics

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

Flow Control Device
piston
Disk Loading Method
spring
Valve Discharge Flow Rate
12.0 gallons per minute
End Item Identification
astute class submarine
Valve Operation Method
manual
Maximum Operating Pressure
2540.0 pounds per square inch single response
Part Name Assigned By Controlling Agency
cartridge: relief: 2-port: pilot operated, balance piston
Special Features
closed pressure regulating valve; pressure at inlet (port 1) reaches valve setting, valve starts to open tank (port 2) throttling flow to regulate pressure; valve is accurate, has low pressure rise vs flow; smooth, quiet, and moderately fast

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
RPCC-LWN@2540 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-562-1447?
The FSCG of the NSN 4820-01-562-1447 is 4820
Does the NSN 4820-01-562-1447 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-562-1447 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 4820-01-562-1447 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-562-1447 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 4820-01-562-1447 was assigned to the Federal Catalog?
It was assigned 18 years ago, on Mon, Mar 31, 2008

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