4820-01-175-5078

Find complete technical information, availability, and procurement data for: 4820-01-175-5078
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-175-5078

Item Name Code

05488

Assigment Date

04/01/1984 (42 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.

stem flow control device, inside spring bonnet type, bolted renewable seat ring type, spring disk loading method, bolted bonnet attachment 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: stem
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Renewable Seat Ring Type: bolted
Valve Operation Method: automatic
Adjustable Pressure Range: +136.0 to 150.0 pounds per square inch
Maximum Operating Pressure: 750.0 pounds per square inch single response
Criticality Code Justification: zzzy
Material: copper alloy 922 overall
Media For Which Designed: water, fresh single response
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
202040QM51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-175-5078?

The FSCG of the NSN 4820-01-175-5078 is 4820

Does the NSN 4820-01-175-5078 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-175-5078 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-175-5078 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-175-5078 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 4820-01-175-5078 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sun, Apr 1, 1984