4820-00-031-7624

Find complete technical information, availability, and procurement data for: 4820-00-031-7624
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-031-7624

Item Name Code

05488

Assigment Date

11/01/1972 (53 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.

right-hand all ends thread direction, 400.0 fahrenheit single response maximum operating temp, spring disk loading method, 0.250 inches all ends nominal pipe size accommodated, poppet 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.

Nominal Pipe Size Accommodated: 0.250 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
End Item Identification: grumman aerospace a-10 aircraft
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 18 all ends
Adjustable Pressure Range: +10.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 3100.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 35.0 pounds per square inch
Material: aluminum alloy overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: anodize
Thread Series Designator: npt all ends

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
665-2-1/4D28	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-031-7624?

The FSCG of the NSN 4820-00-031-7624 is 4820

Does the NSN 4820-00-031-7624 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-031-7624 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 4820-00-031-7624 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-031-7624 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 4820-00-031-7624 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Nov 1, 1972