4820-00-446-3314

Find complete technical information, availability, and procurement data for: 4820-00-446-3314
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-446-3314

Item Name Code

05488

Assigment Date

01/01/1963 (63 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.

spring disk loading method, right-hand 1st end thread direction, plain (pipe) 1st end connection style, disk flow control device, 0.750 inches 1st end nominal pipe size accommodated

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: 0.750 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Adjustable Pressure Range: +165.0 to 175.0 pounds per square inch
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Style Designator: straight thru
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
0001D01KC170	Safety Relief Valve
5A950-165	Safety Relief Valve
N466PC119T0121-123T0133	Safety Relief Valve
N472PC119T0121-123T0133	Safety Relief Valve
N546PC119T0121-123T0133	Safety Relief Valve
N552PC119T0121-123T0133	Safety Relief Valve
N611PC119T0121-123T0133	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-446-3314?

The FSCG of the NSN 4820-00-446-3314 is 4820

Does the NSN 4820-00-446-3314 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-446-3314 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 4820-00-446-3314 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-446-3314 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 4820-00-446-3314 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963