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4820-00-086-4954

Find complete technical information, availability, and procurement data for: 4820-00-086-4954

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4820-00-086-4954
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-086-4954
Item Name Code
05488
Assigment Date
01/01/1963 (63 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.

spring disk loading method, 3b 1st end thread class, plain,optional end(pipe) 1st end connection style, right-hand 1st end thread direction, disk flow control device

Product Characteristics

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

Thread Class
3b 1st end
Thread Direction
right-hand 1st end
Flow Control Device
disk
Disk Loading Method
spring
Connection Style
plain,optional end(pipe) 1st end
Connection Type
threaded internal tube 1st end
Thread Quantity Per Inch
20 1st end
Nominal Thread Size
0.437 inches 1st end
Opening Pressure Setting
16.4 pounds per square inch
Nominal Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
aluminum alloy seat
Material
aluminum alloy body
Style Designator
straight thru
Thread Series Designator
unf 1st end

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
392242-1-1 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-086-4954?
The FSCG of the NSN 4820-00-086-4954 is 4820
Does the NSN 4820-00-086-4954 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-086-4954 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-00-086-4954 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-086-4954 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 4820-00-086-4954 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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