4820-01-140-3779

Find complete technical information, availability, and procurement data for: 4820-01-140-3779
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-140-3779

Item Name Code

05488

Assigment Date

10/11/1982 (43 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.

+37.0 to 43.0 pounds per square inch adjustable pressure range, grooved (drop-in cartridge) all ends connection style, unthreaded cartridge all ends connection type, automatic valve operation method, 5.3 gallons per minute valve discharge flow rate

Product Characteristics

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

Valve Discharge Flow Rate: 5.3 gallons per minute
Connection Style: grooved (drop-in cartridge) all ends
Valve Operation Method: automatic
Connection Type: unthreaded cartridge all ends
Adjustable Pressure Range: +37.0 to 43.0 pounds per square inch
Maximum Operating Pressure: 52.0 pounds per square inch single response
Special Features: flange 1.680 in. od, 0.100 in. thk, for f-18 aircraft
Media For Which Designed: oil, lubricating, diester base single response
Style Designator: drop-in cartridge

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
10124628	Safety Relief Valve
42312-164	Safety Relief Valve
42312E164	Safety Relief Valve
H963	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-140-3779?

The FSCG of the NSN 4820-01-140-3779 is 4820

Does the NSN 4820-01-140-3779 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-140-3779 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 4820-01-140-3779 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-140-3779 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 4820-01-140-3779 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Oct 11, 1982