4820-01-331-6591

Find complete technical information, availability, and procurement data for: 4820-01-331-6591
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-331-6591

Item Name Code

05488

Assigment Date

12/22/1990 (35 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

150.0 fahrenheit single response maximum operating temp, disk flow control device, automatic valve operation method, socket all ends connection style, 0.500 inches all ends 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: 0.500 inches all ends
Flow Control Device: disk
Maximum Operating Temp: 150.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +46.0 to 64.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: bronze body
Material: steel corrosion resisting stem
Style Designator: angle

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
DA-40C NMP-1172	Safety Relief Valve
DA-40C NMP-1172 OPTION A	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-331-6591?

The FSCG of the NSN 4820-01-331-6591 is 4820

Does the NSN 4820-01-331-6591 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-331-6591 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 4820-01-331-6591 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-331-6591 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 4820-01-331-6591 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 22, 1990