4820-01-301-7979

Find complete technical information, availability, and procurement data for: 4820-01-301-7979
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-301-7979

Item Name Code

05487

Assigment Date

06/02/1989 (37 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.

automatic valve operation method, plain, optional end (pipe) all ends connection style, right-hand all ends thread direction, poppet flow control device, 400.0 fahrenheit single response maximum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 40.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches all ends
Material: copper alloy flow control device
Material: steel corrosion resisting body
Media For Which Designed: oxygen, liquid single response
Style Designator: straight thru
Thread Series Designator: npt all 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
1551AS137	Check Valve
1551AS137-2	Check Valve
SS-16C2-C1-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-301-7979?

The FSCG of the NSN 4820-01-301-7979 is 4820

Does the NSN 4820-01-301-7979 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-301-7979 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 4820-01-301-7979 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-301-7979 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 4820-01-301-7979 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Jun 2, 1989