4820-01-279-4562

Find complete technical information, availability, and procurement data for: 4820-01-279-4562
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-279-4562

Item Name Code

05488

Assigment Date

05/18/1988 (38 years ago)

spring disk loading method, 300.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, disk flow control device, plain (pipe) 1st end 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
Disk Loading Method: spring
Maximum Operating Temp: 300.0 fahrenheit single response
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
Adjustable Pressure Range: +25.0 to 34.0 pounds per square inch
Maximum Operating Pressure: 1200.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 1st end
Nominal Thread Size: 0.750 inches 2nd end
Material: copper alloy overall
Media For Which Designed: hydraulic fluid, mineral base single response
Style Designator: angle
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-302-7592	No Name Available	08/01/1998

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-MG0025	Safety Relief Valve
20-1 1/2IN-3/4IN 25T34PSI	Safety Relief Valve
20-1/2IN 25T34P	Safety Relief Valve
20-1/2IN-3/4IN 25T34PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-279-4562?

The FSCG of the NSN 4820-01-279-4562 is 4820

Does the NSN 4820-01-279-4562 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-279-4562 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 4820-01-279-4562 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-279-4562 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 4820-01-279-4562 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, May 18, 1988