4820-00-819-1044

Find complete technical information, availability, and procurement data for: 4820-00-819-1044
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-819-1044

Item Name Code

20572

Assigment Date

01/01/1963 (63 years ago)

3.5 gallons per minute valve discharge flow rate, 3b 2nd end thread class, right-hand 3rd end thread direction, 3a 3rd end thread class, piston 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 3rd end
Thread Class: 3b 2nd end
Thread Direction: right-hand 3rd end
Flow Control Device: piston
Valve Discharge Flow Rate: 3.5 gallons per minute
Connection Style: flared (tube) 3rd end
Connection Style: gasket seal(boss) 2nd end
Connection Type: threaded external tube 3rd end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Mounting Facility: threaded fastener
Thread Quantity Per Inch: 18 3rd end
Thread Quantity Per Inch: 24 2nd end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 3rd end
Seat Angle: 45.0 degrees 2nd end
Seat Angle: 45.0 degrees 3rd end
Nominal Outside Diameter Tube Accommodated: 0.188 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 3rd end
Material: aluminum alloy body
Material: rubber synthetic packing
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Surface Treatment: anodize
Style Designator: cross w/offset
Test Data Document: "81349-mil-v-5530 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unf 3rd 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
2SV261	Shuttle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-819-1044?

The FSCG of the NSN 4820-00-819-1044 is 4820

Does the NSN 4820-00-819-1044 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-819-1044 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 4820-00-819-1044 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-819-1044 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 4820-00-819-1044 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963