4820-00-072-0579

Find complete technical information, availability, and procurement data for: 4820-00-072-0579
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-072-0579 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-072-0579

Item Name Code

05488

Assigment Date

07/27/1967 (58 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.

0.500 inches 1st end nominal pipe size accommodated, 0.500 inches 2nd end nominal pipe size accommodated, poppet flow control device, right-hand 1st end thread direction, right-hand 2nd end thread direction

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches 1st end
Nominal Pipe Size Accommodated: 0.500 inches 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st endplain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st endthreaded internal pipe 2nd end
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +10.0 to 400.0 pounds per square inch
Maximum Operating Pressure: 2500.0 pounds per square inch 1st response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.500 inches 2nd end
Opening Pressure Setting: 50.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air 1st responseacetylene 2nd responseammonia, gaseous 3rd responserefrigerant 12 4th responsehydrogen 5th response
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: npt 2nd end
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
3200559-1	Safety Relief Valve
5159B4MP50	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-072-0579?

The FSCG of the NSN 4820-00-072-0579 is 4820

Does the NSN 4820-00-072-0579 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-072-0579 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 4820-00-072-0579 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-072-0579 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 4820-00-072-0579 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Thu, Jul 27, 1967