4820-00-541-4995

Find complete technical information, availability, and procurement data for: 4820-00-541-4995
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-541-4995

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

1.250 inches 1st end nominal pipe size accommodated, spring disk loading method, disk flow control device, union bonnet attachment method, exposed spring bonnet type

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: 1.250 inches 1st end
Flow Control Device: disk
Bonnet Type: exposed spring
Bonnet Attachment Method: union
Disk Loading Method: spring
Bolt Hole Quantity: 4 2nd end
Maximum Operating Temp: 100.0 fahrenheit 2nd response
Maximum Operating Temp: 250.0 fahrenheit 1st response
Connection Style: socket with brazing ring 1st end
Valve Operation Method: automatic
Flange Shape: round with holes 2nd end
Connection Type: unthreaded internal pipe 1st end
Adjustable Pressure Range: +33.0 to 53.0 pounds per square inch
Nominal Outside Diameter: 4.500 inches 2nd end
Nominal Thickness: 0.438 inches 2nd end
Bolt Hole Nominal Diameter: 0.562 inches 2nd end
Bolt Circle Nominal Diameter: 3.375 inches 2nd end
Flange Face Design: plain 2nd end
Material: copper alloy body
Material: copper alloy stem
Material: nickel alloy flow control device
Material: nickel alloy seat
Style Designator: angle
Furnished Items And Quantity: 1 nut

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
5119-4824-3803	Safety Relief Valve
R6309LL	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-541-4995?

The FSCG of the NSN 4820-00-541-4995 is 4820

Does the NSN 4820-00-541-4995 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-541-4995 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 4820-00-541-4995 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-541-4995 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 4820-00-541-4995 was assigned to the Federal Catalog?

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