72-81711

View detailed technical data, stock status, and sourcing information for: 72-81711
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-423-7657

Item Name Code

20962

Assigment Date

01/09/1996 (30 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

manual valve operation method, right-hand all ends thread direction, plain (pipe) 2nd end connection style, plain (hose) 1st end connection style, shipboard material h 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.

Thread Direction: right-hand all ends
End Item Identification: shipboard material h
Connection Style: plain (hose) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded external hose 1st end
Connection Type: threaded external pipe 2nd end
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 2nd end
Nominal Thread Size: 0.375 inches 1st end
Special Features: 2-way low pressure
Material: aluminum stem
Media For Which Designed: air single response
Surface Treatment: nickel
Style Designator: straight thru
Thread Series Designator: npsh 1st end
Thread Series Designator: npt 2nd end

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
72-81711	Ball Valve
NA-326	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-423-7657?

The FSCG of the NSN 4820-01-423-7657 is 4820

Does NSN 4820-01-423-7657 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 4820-01-423-7657 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-423-7657 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 4820-01-423-7657 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Jan 9, 1996