4820-01-251-0612

Find complete technical information, availability, and procurement data for: 4820-01-251-0612
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-251-0612

Item Name Code

05488

Assigment Date

03/11/1987 (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.

2a all ends thread class, right-hand all ends thread direction, 8.0 gallons per minute valve discharge flow rate, plain (tube) all ends connection style, 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.

Thread Class: 2a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Valve Discharge Flow Rate: 8.0 gallons per minute
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Adjustable Pressure Range: +500.0 to 5000.0 pounds per square inch
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Special Features: cartridge type
Material: steel overall
Style Designator: angle
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
4T5536	Safety Relief Valve
5029219-065	Safety Relief Valve
5029219-065-101	Safety Relief Valve
RGC08-T-50-A	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-251-0612?

The FSCG of the NSN 4820-01-251-0612 is 4820

Does the NSN 4820-01-251-0612 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-251-0612 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 4820-01-251-0612 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-251-0612 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 4820-01-251-0612 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Mar 11, 1987