4820-01-280-3979

Find complete technical information, availability, and procurement data for: 4820-01-280-3979
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-280-3979

Item Name Code

20962

Assigment Date

06/09/1988 (38 years ago)

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

plain,optional end(pipe) all ends connection style, right-hand all ends thread direction, manual valve operation method, 100.0 fahrenheit single response maximum operating temp, threaded internal pipe all ends connection type

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
Maximum Operating Temp: 100.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Thread Size: 2.000 inches all ends
Material: copper alloy 360 flow control device
Material: copper alloy 377 body
Material: copper alloy stem
Material: plastic polytetrafluoroethylene seat
Material Document And Classification: astm b-124 grade 377 assn std single material response body
Material Document And Classification: astm b-16 assn std single material response flow control device
Material Document And Classification: astm b-21 assn std single material response stem
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
4201T-SE-2IN-61992	Ball Valve
61992 4201T-SE-2IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-280-3979?

The FSCG of the NSN 4820-01-280-3979 is 4820

Does the NSN 4820-01-280-3979 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-01-280-3979 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 4820-01-280-3979 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-280-3979 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 4820-01-280-3979 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jun 9, 1988