4820-01-289-3474

Find complete technical information, availability, and procurement data for: 4820-01-289-3474
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-289-3474

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.

425.0 fahrenheit single response maximum operating temp, unthreaded internal tube all ends connection type, disk flow control device, automatic valve operation method, socket (tube) all ends connection style

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
Maximum Operating Temp: 425.0 fahrenheit single response
Connection Style: socket (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +200.0 to 400.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Material: nickel alloy or steel corrosion resisting body
Material: plastic polytetrafluoroethylene seat
Material: steel corrosion resisting stem
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 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
BCSAA05SAA	Safety Relief Valve
D52UU-05 AND D1400	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-289-3474?

The FSCG of the NSN 4820-01-289-3474 is 4820

Does the NSN 4820-01-289-3474 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-289-3474 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 4820-01-289-3474 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-289-3474 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 4820-01-289-3474 was assigned to the Federal Catalog?

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