4820-01-423-5125

Find complete technical information, availability, and procurement data for: 4820-01-423-5125
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-423-5125

Item Name Code

05487

Assigment Date

12/29/1995 (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.

spring disk loading method, right-hand all ends thread direction, 3a 1st end thread class, 250.0 fahrenheit single response maximum operating temp, poppet flow control device

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: 4920013890602,engine,aircraft,f1
Connection Style: external seat for gasket seal (boss) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 37.0 degrees 1st end
Material: aluminum alloy body
Style Designator: straight thru
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st 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
454-10D2-6	Check Valve
8230630	Check Valve
8230630-0701	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-423-5125?

The FSCG of the NSN 4820-01-423-5125 is 4820

Does the NSN 4820-01-423-5125 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-423-5125 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 4820-01-423-5125 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-423-5125 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 4820-01-423-5125 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Dec 29, 1995