NY460-484-6PC11

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-1840

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.

400.0 fahrenheit single response maximum operating temp, ball flow control device, right-hand all ends thread direction, 0.750 inches 1st end nominal pipe size accommodated, spring disk loading method

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 all ends
Flow Control Device: ball
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 14 1st end
Adjustable Pressure Range: +101.0 to 300.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Material: copper alloy body
Material: copper alloy seat
Material: steel corrosion resisting flow control device
Media For Which Designed: water, fresh single response
Style Designator: angle
Thread Series Designator: npt all ends

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
NY460-484-6PC11	Safety Relief Valve
S5101-880459ALT6PC11	Safety Relief Valve
TYPE R,3/4INCH	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-1840?

The FSCG of the NSN 4820-00-289-1840 is 4820

Does the NSN 4820-00-289-1840 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-1840 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 4820-00-289-1840 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-1840 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 4820-00-289-1840 was assigned to the Federal Catalog?

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