4820-00-561-4164

Find complete technical information, availability, and procurement data for: 4820-00-561-4164
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-561-4164

Item Name Code

05488

Assigment Date

11/14/1974 (51 years ago)

right-hand 2nd end thread direction, 0.750 inches 1st end nominal pipe size accommodated, disk flow control device, right-hand 1st end thread direction, 0.500 inches 2nd end nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches 2nd end
Nominal Pipe Size Accommodated: 0.750 inches 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 300.0 fahrenheit 1st response
Maximum Operating Temp: 400.0 fahrenheit 2nd response
Maximum Operating Temp: 400.0 fahrenheit 3rd response
Connection Style: plain (pipe) 2nd end
Connection Style: plain,optional end(pipe) 1st end
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Adjustable Pressure Range: +15.0 to 300.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch 1st response
Maximum Operating Pressure: 300.0 pounds per square inch 2nd response
Maximum Operating Pressure: 300.0 pounds per square inch 3rd response
Opening Pressure Setting: 65.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: alcohol, ethyl 1st response
Media For Which Designed: gas, inert 2nd response
Media For Which Designed: oxygen, gaseous 3rd response
Style Designator: angle

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
87TC	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-561-4164?

The FSCG of the NSN 4820-00-561-4164 is 4820

Does the NSN 4820-00-561-4164 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-561-4164 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 4820-00-561-4164 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-561-4164 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 4820-00-561-4164 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Thu, Nov 14, 1974