4820-01-256-3580

Find complete technical information, availability, and procurement data for: 4820-01-256-3580
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-256-3580

Item Name Code

05486

Assigment Date

06/04/1987 (39 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second 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. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

flange all ends connection type, manual valve operation method, round all ends flange shape, 425.0 fahrenheit single response maximum operating temp, 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.

Flow Control Device: disk
Maximum Operating Temp: 425.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 5.000 inches
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Outside Diameter: 10.375 inches all ends
Nominal Thickness: 1.062 inches all ends
First Connection Face To Centerline Distance: 8.375 inches
Second Connection Face To Centerline Distance: 8.375 inches
Flange Face Design: plain all ends
Material: copper alloy body
Material: nickel alloy flow control device
Media For Which Designed: air 1st response
Media For Which Designed: oil 2nd response
Media For Which Designed: steam 3rd response
Media For Which Designed: water, fresh 4th response
Media For Which Designed: water, salt 5th response
Style Designator: angle flanged 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
N10546SCM 5.00IN.	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-256-3580?

The FSCG of the NSN 4820-01-256-3580 is 4820

Does the NSN 4820-01-256-3580 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-256-3580 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 4820-01-256-3580 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-256-3580 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 4820-01-256-3580 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jun 4, 1987