4820-00-580-6431

Find complete technical information, availability, and procurement data for: 4820-00-580-6431
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-580-6431

Item Name Code

05488

Assigment Date

01/01/1961 (65 years ago)

right-hand 1st end thread direction, 0.250 inches 1st end nominal pipe size accommodated, 6.0 cubic feet per minute valve discharge flow rate, spring disk loading method, poppet flow control device

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: 0.250 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 6.0 cubic feet per minute
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Features Provided: valve stem lock shield
Thread Quantity Per Inch: 18 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 20.0 pounds per square inch
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru
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
381-1040PC2	Safety Relief Valve
559T2M20	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-580-6431?

The FSCG of the NSN 4820-00-580-6431 is 4820

Does the NSN 4820-00-580-6431 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-580-6431 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 4820-00-580-6431 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-580-6431 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 4820-00-580-6431 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961