4820-00-822-4644

Find complete technical information, availability, and procurement data for: 4820-00-822-4644
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-822-4644

Item Name Code

05487

Assigment Date

01/01/1962 (64 years ago)

disk flow control device, 500.0 fahrenheit single response maximum operating temp, automatic valve operation method, right-hand all ends thread direction, grooved inside all ends connection style

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Maximum Operating Temp: 500.0 fahrenheit single response
Connection Style: grooved inside all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 200.0 pounds per square inch 1st response
Maximum Operating Pressure: 400.0 pounds per square inch 2nd response
Nominal Thread Size: 0.250 inches all ends
Material: copper alloy overall
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Thread Series Designator: npt all ends
Nondefinitive Spec/Std Data: 3 type and 200/wsp/ class and 1/4 size

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-202-8510	No Name Available	11/17/1972
4820-00-289-1356	No Name Available	07/19/1985

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
4201-4	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-822-4644?

The FSCG of the NSN 4820-00-822-4644 is 4820

Does the NSN 4820-00-822-4644 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-822-4644 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 4820-00-822-4644 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-822-4644 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 4820-00-822-4644 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962