4820-01-208-2021

Find complete technical information, availability, and procurement data for: 4820-01-208-2021
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-208-2021

Item Name Code

20520

Assigment Date

05/10/1985 (41 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

socket (pipe) all ends connection style, 5.312 inches nominal aperture diameter, unthreaded internal pipe all ends connection type, 0.250 inches all ends nominal pipe size accommodated, automatic 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.

Nominal Pipe Size Accommodated: 0.250 inches all ends
Aperture Diameter: 5.312 inches nominal
Connection Style: socket (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal or vertical
Style Designator: offset

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
2641-694-01	Restrictor Check Valve
2641-694-01ASSEMBLY A	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-208-2021?

The FSCG of the NSN 4820-01-208-2021 is 4820

Does NSN 4820-01-208-2021 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 4820-01-208-2021 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-208-2021 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 4820-01-208-2021 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, May 10, 1985