4820-01-421-5203

Find complete technical information, availability, and procurement data for: 4820-01-421-5203
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-5203

Item Name Code

35224

Assigment Date

11/09/1995 (30 years ago)

A hand controlled device maneuvered by a gear designed to open and close the flow control device. May include open and close position indicator. Excludes:gear assembly, speed decreaser; gearbox accessory drive, turbine engine; and gearcase-motor.

keystone butterfly valve no. 540-703-040-139-050 u/o the strategic sealift conversion ships class end item identification, copper alloy material, water, salt media for which designed, 4.000 inches nominal outside diameter, butterfly style designator

Product Characteristics

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

Outside Diameter: 4.000 inches nominal
End Item Identification: keystone butterfly valve no. 540-703-040-139-050 u/o the strategic sealift conversion ships class
Material: copper alloy
Media For Which Designed: water, salt
Style Designator: butterfly

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
732-204-040-139-000	Valve Disk
D139-4-540	Valve Disk
D139-4-540 ITEM 2	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-421-5203?

The FSCG of the NSN 4820-01-421-5203 is 4820

Does the NSN 4820-01-421-5203 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-421-5203 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 4820-01-421-5203 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-5203 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 4820-01-421-5203 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Nov 9, 1995