4820-00-689-1853

Find complete technical information, availability, and procurement data for: 4820-00-689-1853
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-689-1853

Item Name Code

35224

Assigment Date

03/25/1972 (54 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.

copper alloy material

Product Characteristics

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

Material: copper alloy

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
041-103-0039	Valve Disk
041.101.0039	Valve Disk
C3972	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-689-1853?

The FSCG of the NSN 4820-00-689-1853 is 4820

Does the NSN 4820-00-689-1853 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-689-1853 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 4820-00-689-1853 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-689-1853 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 4820-00-689-1853 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Mar 25, 1972