4820-01-261-4124

Find complete technical information, availability, and procurement data for: 4820-01-261-4124
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-261-4124

Item Name Code

05487

Assigment Date

08/12/1987 (38 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.

poppet flow control device, 300.0 fahrenheit single response maximum operating temp, gasket seal (boss) all ends connection style, 3b all ends thread class, right-hand all ends thread direction

Product Characteristics

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

Thread Class: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches all ends
Material: steel body
Media For Which Designed: air 1st response
Media For Which Designed: oil, hydraulic 2nd response
Media For Which Designed: water, fresh 3rd response
Surface Treatment: cadmium
Style Designator: straight thru
Thread Series Designator: un 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
1916C-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-261-4124?

The FSCG of the NSN 4820-01-261-4124 is 4820

Does the NSN 4820-01-261-4124 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-261-4124 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 4820-01-261-4124 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-261-4124 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 4820-01-261-4124 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Aug 12, 1987