4820-01-165-7964

Find complete technical information, availability, and procurement data for: 4820-01-165-7964
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-165-7964

Item Name Code

05487

Assigment Date

11/04/1983 (42 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.

0.500 inches all ends nominal pipe size accommodated, automatic valve operation method, streamlined with one brazing ring (pipe) all ends connection style, disk flow control device, unthreaded internal pipe all ends connection type

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: disk
Connection Style: streamlined with one brazing ring (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal
Material: copper alloy body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru

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
2621-927-01 ASSEMBLY AS 1/2IN	Check Valve
90203-000	Check Valve
NS-4038 ASSEMBLY AS 1/2IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-165-7964?

The FSCG of the NSN 4820-01-165-7964 is 4820

Does NSN 4820-01-165-7964 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 4820-01-165-7964 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-165-7964 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 4820-01-165-7964 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Nov 4, 1983