184766-0000

View detailed technical data, stock status, and sourcing information for: 184766-0000
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-1517

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.

poppet flow control device, right-hand 1st end thread direction, threaded bonnet attachment method, 0.250 inches 1st end nominal pipe size accommodated, inside spring bonnet 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: 0.250 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
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: +60.0 to 250.0 pounds per square inch
Nominal Thread Size: 0.250 inches 1st end
Material: copper alloy overall
Style Designator: angle
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-287-6035	No Name Available	05/04/1966

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
184766-0000	Safety Relief Valve
F57017PC184766	Safety Relief Valve
YT277S4105-574876PC2T07	Safety Relief Valve
Z1014-10PC2T07	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-1517?

The FSCG of the NSN 4820-00-289-1517 is 4820

Does the NSN 4820-00-289-1517 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-1517 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 4820-00-289-1517 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-1517 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 4820-00-289-1517 was assigned to the Federal Catalog?

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