4820-00-683-8722

Find complete technical information, availability, and procurement data for: 4820-00-683-8722
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-683-8722

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

0.250 inches 2nd end nominal pipe size accommodated, poppet flow control device, 0.250 inches 1st end nominal pipe size accommodated, right-hand 2nd end thread direction, right-hand 1st 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.

Nominal Pipe Size Accommodated: 0.250 inches 1st end
Nominal Pipe Size Accommodated: 0.250 inches 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
End Item Identification: grumman a10 aircraft
Connection Style: plain (pipe) 2nd end
Connection Style: plain, optional end (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Mounting Position: horizontal
Thread Quantity Per Inch: 18 2nd end
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Special Features: cracking pressure 2 - 4 psi
Material: copper alloy body
Material: rubber butadiene-acrylonitrile class nbr seat
Media For Which Designed: acetylene 1st response
Media For Which Designed: air 2nd response
Media For Which Designed: ammonia, liquid 4th response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: carbon dioxide 5th response
Style Designator: straight thru
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-683-8721	No Name Available	12/01/2008

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
2320B2PM	Check Valve
2320B2PM4	Check Valve
2349B-2PM	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-683-8722?

The FSCG of the NSN 4820-00-683-8722 is 4820

Does the NSN 4820-00-683-8722 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-683-8722 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 4820-00-683-8722 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-683-8722 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 4820-00-683-8722 was assigned to the Federal Catalog?

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