4820-01-440-7444

Find complete technical information, availability, and procurement data for: 4820-01-440-7444
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-7444

Item Name Code

05488

Assigment Date

01/23/1997 (29 years ago)

A two electrode semiconductor device having an asymmetrical voltage - current characteristic. May or may not include mounting hardware and/or heatsink. Excludes:light emitting diode and semiconductor device,photo. For items containing material such as selenium and copper oxide, see recifier, metallic.

right-hand all ends thread direction, navy weapons system code,th,strategic sealift conversion ships class end item identification, 16.0 gallons per minute valve discharge flow rate, disk flow control device, 300.0 fahrenheit single response maximum operating temp

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
Valve Discharge Flow Rate: 16.0 gallons per minute
Maximum Operating Temp: 300.0 fahrenheit single response
End Item Identification: navy weapons system code,th,strategic sealift conversion ships class
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.750 inches 2nd end
Opening Pressure Setting: 125.0 pounds per square inch
Material: bronze body
Media For Which Designed: water, fresh single response
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 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
0020-C01-MC0125	Safety Relief Valve
20-1/0.500IPS 1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-7444?

The FSCG of the NSN 4820-01-440-7444 is 4820

Does the NSN 4820-01-440-7444 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-440-7444 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 4820-01-440-7444 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-7444 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 4820-01-440-7444 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Jan 23, 1997