4820-01-345-9979

Find complete technical information, availability, and procurement data for: 4820-01-345-9979
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-345-9979 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-345-9979

Item Name Code

20962

Assigment Date

09/25/1991 (34 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.

manual valve operation method, 350.0 fahrenheit single response maximum operating temp, plain (pipe) all ends connection style, right-hand all ends thread direction, threaded external 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: 350.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Material: steel comp 316 bodyplastic polychlorotrifluoroethylene seatsteel comp 316 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
6M-B6LJ2-SS	Ball Valve
7M1017	Ball Valve
7M1017-6	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-345-9979?

The FSCG of the NSN 4820-01-345-9979 is 4820

Does the NSN 4820-01-345-9979 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-345-9979 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-345-9979 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-345-9979 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 4820-01-345-9979 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Sep 25, 1991