4820-01-290-9058

Find complete technical information, availability, and procurement data for: 4820-01-290-9058
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-290-9058 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-290-9058

Item Name Code

05488

Assigment Date

12/19/1988 (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.

disk flow control device, inside screw bonnet type, 300.0 fahrenheit single response maximum operating temp, threaded bonnet attachment method, 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 Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 275.0 pounds per square inch
Material: copper alloy body
Material: rubber synthetic flow control device
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd 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
1/4 IN MODEL 548-275	Safety Relief Valve
8524615	Safety Relief Valve
FIG48-A.250-18NPT	Safety Relief Valve
FIG548 1/4 IN	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-290-9058?

The FSCG of the NSN 4820-01-290-9058 is 4820

Does the NSN 4820-01-290-9058 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-290-9058 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 4820-01-290-9058 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-290-9058 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 4820-01-290-9058 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Mon, Dec 19, 1988