4820-00-123-9802

Find complete technical information, availability, and procurement data for: 4820-00-123-9802
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-123-9802

Item Name Code

20572

Assigment Date

01/04/1973 (53 years ago)

A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

3000.0 pounds per square inch 1st response maximum operating pressure, piston flow control device, 275.0 fahrenheit 2nd response maximum operating temp, 6.4 gallons per minute valve discharge flow rate, 275.0 fahrenheit 1st response maximum operating temp

Product Characteristics

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

Flow Control Device: piston
Valve Discharge Flow Rate: 6.4 gallons per minute
Maximum Operating Temp: 275.0 fahrenheit 1st response
Maximum Operating Temp: 275.0 fahrenheit 2nd response
Maximum Operating Pressure: 3000.0 pounds per square inch 1st response
Maximum Operating Pressure: 3000.0 pounds per square inch 2nd response
Special Features: plate identification
Material: rubber synthetic packing
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Media For Which Designed: air 1st response
Media For Which Designed: nitrogen, gaseous 2nd response

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
2SV633-2	Shuttle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-123-9802?

The FSCG of the NSN 4820-00-123-9802 is 4820

Does the NSN 4820-00-123-9802 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-123-9802 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 4820-00-123-9802 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-123-9802 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 4820-00-123-9802 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Thu, Jan 4, 1973