4820-00-074-1290

Find complete technical information, availability, and procurement data for: 4820-00-074-1290
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-074-1290

Item Name Code

20572

Assigment Date

07/25/1967 (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.

right-hand all ends thread direction, piston flow control device, gasket seal(boss) all ends connection style, automatic valve operation method, 2b all ends thread class

Product Characteristics

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

Thread Class: 2b all ends
Thread Direction: right-hand all ends
Flow Control Device: piston
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Facility: bracket
Maximum Operating Pressure: 1500.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Special Features: 3rd end is unthd internal banjo type designed for 0.438 inch dia bolt,fluid passage
Material: aluminum alloy body
Material: steel flow control device
Surface Treatment: anodize
Style Designator: cross
Thread Series Designator: unf all ends

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
70482-2	Shuttle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-074-1290?

The FSCG of the NSN 4820-00-074-1290 is 4820

Does the NSN 4820-00-074-1290 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-074-1290 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 4820-00-074-1290 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-074-1290 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 4820-00-074-1290 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Jul 25, 1967