4820-00-737-8539

Find complete technical information, availability, and procurement data for: 4820-00-737-8539
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-737-8539

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

0.125 inches 2nd end nominal pipe size accommodated, right-hand 1st end thread direction, 0.125 inches 1st end nominal pipe size accommodated, right-hand 2nd end thread direction, 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: 0.125 inches 1st end
Nominal Pipe Size Accommodated: 0.125 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: 200.0 fahrenheit single response
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 or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 1st end
Nominal Thread Size: 0.125 inches 2nd end
Material: copper alloy 360 body
Material: copper alloy 360 seat
Material: steel comp 304 flow control device
Material Document And Classification: fed std 66,aisi 304/sae 30304 fed std single material response flow control device
Material Document And Classification: qq-b-626,alloy 360 fed spec single material response body
Material Document And Classification: qq-b-626,alloy 360 fed spec single material response seat
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: water, fresh 3rd response
Style Designator: straight thru
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
481-1B1-30	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-737-8539?

The FSCG of the NSN 4820-00-737-8539 is 4820

Does the NSN 4820-00-737-8539 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-737-8539 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 4820-00-737-8539 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-737-8539 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 4820-00-737-8539 was assigned to the Federal Catalog?

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