4820-00-640-0291

Find complete technical information, availability, and procurement data for: 4820-00-640-0291
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-640-0291

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

right-hand 1st end thread direction, plain, optional end (pipe) 1st end connection style, 500.0 fahrenheit single response maximum operating temp, 0.375 inches 1st end nominal pipe size accommodated, disk flow control device

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: 0.375 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Maximum Operating Temp: 500.0 fahrenheit single response
Connection Style: plain, optional end (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal pipe 1st end
Mounting Position: horizontal
Maximum Operating Pressure: 400.0 pounds per square inch 1st response
Maximum Operating Pressure: 400.0 pounds per square inch 2nd response
Nominal Thread Size: 0.375 inches 1st end
Material: copper alloy overall
Media For Which Designed: steam single response
Style Designator: straight thru
Thread Series Designator: npt 1st end

FAQs

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

What is the FSCG of the NSN 4820-00-640-0291?

The FSCG of the NSN 4820-00-640-0291 is 4820

Does the NSN 4820-00-640-0291 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-640-0291 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 4820-00-640-0291 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-640-0291 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 4820-00-640-0291 was assigned to the Federal Catalog?

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