4820-00-541-1443

Find complete technical information, availability, and procurement data for: 4820-00-541-1443
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-541-1443

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

disk flow control device, 0.375 inches all ends nominal pipe size accommodated, threaded bonnet attachment method, right-hand all ends thread direction, inside 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: 0.375 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing and pressure tight outlet side
Adjustable Pressure Range: +10.0 to 250.0 pounds per square inch
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Material: copper alloy 836 body
Material: copper alloy flow control device
Material: copper alloy seat
Material: steel stem
Material Document And Classification: qq-c-390,alloy a4 fed spec single material response seat
Material Document And Classification: qq-c-390,alloy b5/d/ fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 2nd response
Style Designator: angle
Thread Series Designator: npt all ends

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
2651-3-8	Safety Relief Valve
2651-3-8-25PSI	Safety Relief Valve
503879-8	Safety Relief Valve
50688-21	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-541-1443?

The FSCG of the NSN 4820-00-541-1443 is 4820

Does the NSN 4820-00-541-1443 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-541-1443 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 4820-00-541-1443 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-541-1443 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 4820-00-541-1443 was assigned to the Federal Catalog?

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