4820-00-045-7073

Find complete technical information, availability, and procurement data for: 4820-00-045-7073
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-045-7073

Item Name Code

20572

Assigment Date

05/09/1967 (59 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.

poppet flow control device, gasket seal(boss) 1st end connection style, 1.8 gallons per minute valve discharge flow rate, 3b 1st end thread class, 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 Class: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Valve Discharge Flow Rate: 1.8 gallons per minute
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Thread Quantity Per Inch: 20 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches 1st end
Material: aluminum alloy body
Media For Which Designed: hydraulic fluid, petroleum base single response
Surface Treatment: anodize
Style Designator: cross
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
215-22117-6	Shuttle Valve
7U7449-1	Shuttle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-045-7073?

The FSCG of the NSN 4820-00-045-7073 is 4820

Does the NSN 4820-00-045-7073 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-045-7073 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 4820-00-045-7073 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-045-7073 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 4820-00-045-7073 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 9, 1967