4820-01-421-2143

Find complete technical information, availability, and procurement data for: 4820-01-421-2143
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-2143

Item Name Code

20962

Assigment Date

11/03/1995 (30 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.

underwater life support iaw navsea instruction 10560.2b special features, feat criticality code justification, mk 3 mod 0 light weight dive sys end item identification

Product Characteristics

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

End Item Identification: mk 3 mod 0 light weight dive sys
Criticality Code Justification: feat
Special Features: underwater life support iaw navsea instruction 10560.2b

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
6314643-3	Ball Valve
SS-33VVCO4-YW-W1	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-2143?

The FSCG of the NSN 4820-01-421-2143 is 4820

Does NSN 4820-01-421-2143 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 4820-01-421-2143 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-2143 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 4820-01-421-2143 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995