4820-00-959-7300

Find complete technical information, availability, and procurement data for: 4820-00-959-7300
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-959-7300

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

threaded bonnet attachment method, inside spring bonnet type, right-hand 1st end thread direction, disk flow control device, right-hand 2nd end thread direction

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 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 10.7 gallons per minute
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: plain (pipe) 1st endplain,optional end(pipe) 2nd end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st endthreaded internal pipe 2nd end
Features Provided: valve stem lock shield
Thread Quantity Per Inch: 11-1/2 1st end
Thread Quantity Per Inch: 14 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 1.000 inches 1st end
Opening Pressure Setting: 30.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: steel stem
Media For Which Designed: water, fresh single response
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

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
2478D OPEN LIFTING ARM	Safety Relief Valve
3/4-2478D-XDA	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-959-7300?

The FSCG of the NSN 4820-00-959-7300 is 4820

Does the NSN 4820-00-959-7300 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-959-7300 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 4820-00-959-7300 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-959-7300 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 4820-00-959-7300 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962