4820-00-595-1543

Find complete technical information, availability, and procurement data for: 4820-00-595-1543
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-595-1543

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

disk flow control device, spring disk loading method, inside spring bonnet type, union bonnet attachment method, 1.250 inches all ends 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: 1.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: union
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +33.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 100.0 pounds per square inch single response
Material: copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 stem
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy seat
Media For Which Designed: water, salt single response
Style Designator: angle
Furnished Items And Quantity: 2 nut
Nondefinitive Spec/Std Data: a1 type and c class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-639-9622	No Name Available	01/01/1963

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
NMP106	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-595-1543?

The FSCG of the NSN 4820-00-595-1543 is 4820

Does the NSN 4820-00-595-1543 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-595-1543 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 4820-00-595-1543 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-595-1543 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 4820-00-595-1543 was assigned to the Federal Catalog?

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