2478 G-1-31-DA

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-289-3465

Item Name Code

05488

Assigment Date

11/22/1988 (37 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.

plain (pipe) 1st end connection style, right-hand all ends thread direction, threaded bonnet attachment method, inside screw bonnet type, disk 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 Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Adjustable Pressure Range: +11.0 to 16.0 pounds per square inch
Nominal Thread Size: 1.500 inches all ends
Material: copper alloy body
Media For Which Designed: water-oil-gas single response
Style Designator: angle
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
1478-1 1 1/2IPS 16T30PSI	Safety Relief Valve
2478 1 1/2IPS 15PSI	Safety Relief Valve
2478 G-1-31-DA	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-289-3465?

The FSCG of the NSN 4820-01-289-3465 is 4820

Does the NSN 4820-01-289-3465 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-289-3465 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 4820-01-289-3465 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-289-3465 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 4820-01-289-3465 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Nov 22, 1988