4820-01-281-5857

Find complete technical information, availability, and procurement data for: 4820-01-281-5857
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 4820-01-281-5857 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

4820-01-281-5857

Item Name Code

05488

Assigment Date

06/28/1988 (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.

disk flow control device, 180.0 fahrenheit single response maximum operating temp, streamlined with one brazing ring (tube) all ends connection style, automatic or manual valve operation method, spring disk loading method

Product Characteristics

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

Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: streamlined with one brazing ring (tube) all ends
Valve Operation Method: automatic or manual
Connection Type: unthreaded internal tube all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Opening Pressure Setting: 155.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: copper alloy body
Material: rubber packing
Material: rubber seat
Media For Which Designed: air 1st response
Media For Which Designed: water, salt 2nd response
Style Designator: angle
Furnished Items And Quantity: 1 lever

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
1385 P/L 20072340	Safety Relief Valve
YB2385AB288	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-281-5857?

The FSCG of the NSN 4820-01-281-5857 is 4820

Does the NSN 4820-01-281-5857 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-281-5857 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 4820-01-281-5857 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-281-5857 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 4820-01-281-5857 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Jun 28, 1988