4820-01-331-7344

Find complete technical information, availability, and procurement data for: 4820-01-331-7344
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-331-7344

Item Name Code

05486

Assigment Date

12/25/1990 (35 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.

4 all ends bolt hole quantity, disk flow control device, inside screw bonnet type, bolted bonnet attachment method, manual valve operation method

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
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 5.000 inches all ends
Nominal Thickness: 0.438 inches all ends
Bolt Hole Nominal Diameter: 0.625 inches all ends
Bolt Circle Nominal Diameter: 3.875 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: nickel alloy seat
Material: nickel alloy stem
Style Designator: straight thru
Supplementary Features: this item has been reviewed for asbestos material. the current approved sources 30263 have indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984

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
B-1221-E 1.50IN	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-331-7344?

The FSCG of the NSN 4820-01-331-7344 is 4820

Does the NSN 4820-01-331-7344 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-331-7344 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 4820-01-331-7344 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-331-7344 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 4820-01-331-7344 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Dec 25, 1990