4820-01-504-2452

Find complete technical information, availability, and procurement data for: 4820-01-504-2452
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-504-2452

Item Name Code

05488

Assigment Date

01/23/2003 (23 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, threaded bonnet attachment method, automatic valve operation method, relief valve assy: .438 orficie, cat. no. 157a part name assigned by controlling agency, inside spring bonnet type

Product Characteristics

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

Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Operation Method: automatic
Part Name Assigned By Controlling Agency: relief valve assy: .438 orficie, cat. no. 157a
Material: copper alloy body
Material Document And Classification: mil-b-24400 mil spec single material response body
Style Designator: angle

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
157A/PLC-10682-C	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-504-2452?

The FSCG of the NSN 4820-01-504-2452 is 4820

Does the NSN 4820-01-504-2452 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-504-2452 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-504-2452 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-504-2452 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 4820-01-504-2452 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Thu, Jan 23, 2003