4820-01-252-0674

Find complete technical information, availability, and procurement data for: 4820-01-252-0674
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-252-0674

Item Name Code

05487

Assigment Date

03/29/1987 (39 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.

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

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: disk
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Material: steel body
Media For Which Designed: hydraulic fluid, mineral base single response
Style Designator: straight thru
Thread Series Designator: unf 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
70652-22801	Check Valve
70652-22801-101	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-252-0674?

The FSCG of the NSN 4820-01-252-0674 is 4820

Does the NSN 4820-01-252-0674 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-252-0674 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-252-0674 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-252-0674 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 4820-01-252-0674 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Mar 29, 1987