4820-00-071-2191

Find complete technical information, availability, and procurement data for: 4820-00-071-2191
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-071-2191

Item Name Code

05488

Assigment Date

07/18/1967 (59 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.

hydraulic valve operation method, 0.375 inches 3rd end nominal thread size, threaded internal pipe 3rd end connection type, threaded internal pipe 2nd end connection type, threaded internal pipe 1st end connection type

Product Characteristics

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

Valve Operation Method: hydraulic
Connection Type: threaded internal pipe 1st end
Connection Type: threaded internal pipe 2nd end
Connection Type: threaded internal pipe 3rd end
Nominal Thread Size: 0.375 inches 3rd end
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.500 inches 2nd end
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 3rd end
Thread Series Designator: npt 1st end

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
33750	Safety Relief Valve
33750-5	Safety Relief Valve
33750A	Safety Relief Valve
815B3582AND1219-97	Safety Relief Valve
D463701	Safety Relief Valve
D46370X	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-071-2191?

The FSCG of the NSN 4820-00-071-2191 is 4820

Does the NSN 4820-00-071-2191 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-071-2191 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 4820-00-071-2191 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-071-2191 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 4820-00-071-2191 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Jul 18, 1967