4820-00-825-5636

Find complete technical information, availability, and procurement data for: 4820-00-825-5636
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-825-5636

Item Name Code

20520

Assigment Date

01/01/1963 (63 years ago)

3a 1st end thread class, right-hand 1st end thread direction, 20 1st end thread quantity per inch, threaded external tube 1st end connection type, 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 1st end
Flow Control Device: poppet
Connection Type: threaded external tube 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
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy body
Media For Which Designed: oil, hydraulic single response
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
2-43928-5	Restrictor Check Valve
6F1904	Restrictor Check Valve
6F1948	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-825-5636?

The FSCG of the NSN 4820-00-825-5636 is 4820

Does the NSN 4820-00-825-5636 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-825-5636 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 4820-00-825-5636 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-825-5636 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 4820-00-825-5636 was assigned to the Federal Catalog?

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