4820-01-443-2540

Find complete technical information, availability, and procurement data for: 4820-01-443-2540
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-443-2540

Item Name Code

20520

Assigment Date

04/05/1997 (29 years ago)

automatic valve operation method, poppet flow control device, plain (tube) all ends connection style, threaded external tube all ends connection type, spring disk loading 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: poppet
Disk Loading Method: spring
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Material: steel overall
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru
Thread Series Designator: uns 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
6F3346	Restrictor Check Valve
7M845-7	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-443-2540?

The FSCG of the NSN 4820-01-443-2540 is 4820

Does NSN 4820-01-443-2540 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 4820-01-443-2540 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-443-2540 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 4820-01-443-2540 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Sat, Apr 5, 1997