4820-01-322-2113

Find complete technical information, availability, and procurement data for: 4820-01-322-2113
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-322-2113

Item Name Code

05488

Assigment Date

06/29/1990 (36 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.

plain (pipe) 1st end connection style, poppet flow control device, pressed-in renewable seat ring type, right-hand 1st end thread direction, 450.0 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.

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Features Provided: pressure tight outlet side
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 0.8 pounds per square inch
Special Features: inline popoff
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: rubber silicone class q packing
Media For Which Designed: air 1st response
Media For Which Designed: oil, chlorinated transformer 2nd response
Media For Which Designed: oxygen, gaseous 3rd response
Style Designator: straight thru
Thread Series Designator: npt 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
524B-2M-08	Safety Relief Valve
524B-2M-8	Safety Relief Valve
721966	Safety Relief Valve
721966-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-322-2113?

The FSCG of the NSN 4820-01-322-2113 is 4820

Does the NSN 4820-01-322-2113 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-322-2113 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 4820-01-322-2113 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-322-2113 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 4820-01-322-2113 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Jun 29, 1990