4820-01-444-0742

Find complete technical information, availability, and procurement data for: 4820-01-444-0742
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-444-0742

Item Name Code

05487

Assigment Date

04/28/1997 (29 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

mars class afs end item identification, automatic valve operation method, 4 all ends bolt hole quantity, round with holes all ends flange shape, 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
Bolt Hole Quantity: 4 all ends
End Item Identification: mars class afs
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal or vertical
Valve Size: 2.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch 2nd response
Maximum Operating Pressure: 225.0 pounds per square inch 1st response
Nominal Outside Diameter: 6.000 inches all ends
Face To Face Distance: 7.875 inches
Nominal Thickness: 0.750 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 4.750 inches all ends
Flange Face Design: plain all ends
Material: copper alloy 922 body
Material: copper alloy 922 flow control device
Material Document And Classification: astm b61 assn std single material response body
Material Document And Classification: astm b61 assn std single material response flow control device
Media For Which Designed: steam 2nd response
Media For Which Designed: water-oil-gas 1st response
Style Designator: straight thru 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
1291-2IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-444-0742?

The FSCG of the NSN 4820-01-444-0742 is 4820

Does the NSN 4820-01-444-0742 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-444-0742 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 4820-01-444-0742 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-444-0742 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 4820-01-444-0742 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Apr 28, 1997