203EF

View detailed technical data, stock status, and sourcing information for: 203EF
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-918-2491

Item Name Code

16990

Assigment Date

08/08/1966 (60 years ago)

armored multi-purpose vehicle (ampv) end item identification, cone flow control device, plain (tube) 2nd end connection style, plain (pipe) 1st end connection style, right-hand 1st end thread direction

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 1st end
Flow Control Device: cone
End Item Identification: armored multi-purpose vehicle (ampv)
Connection Style: plain (pipe) 1st end
Connection Style: plain (tube) 2nd end
Valve Operation Method: manual
Connection Type: threaded external pipe 1st end
Connection Type: unthreaded internal tube 2nd end
Nominal Thread Size: 0.125 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.125 inches 2nd end
Material: copper alloy body
Style Designator: angle
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-272-3352	No Name Available	06/01/2011
4820-01-062-3763	No Name Available	01/01/1992
4820-01-283-5916	No Name Available	07/01/1992

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
103KD	Screw Stem Shutoff Cock
203EF	Screw Stem Shutoff Cock
2203X5	Screw Stem Shutoff Cock
592792	Screw Stem Shutoff Cock
613376	Screw Stem Shutoff Cock
B5-203	Screw Stem Shutoff Cock
D77033	Screw Stem Shutoff Cock
NV 104C-5-2	Screw Stem Shutoff Cock
NV104C-5-2	Screw Stem Shutoff Cock
PTA655	Screw Stem Shutoff Cock

FAQs

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

What is the FSCG of the NSN 4820-00-918-2491?

The FSCG of the NSN 4820-00-918-2491 is 4820

Does the NSN 4820-00-918-2491 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-918-2491 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 4820-00-918-2491 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-918-2491 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 4820-00-918-2491 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Aug 8, 1966