4820-00-721-9641

Find complete technical information, availability, and procurement data for: 4820-00-721-9641
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-721-9641

Item Name Code

05487

Assigment Date

07/23/1971 (55 years ago)

automatic valve operation method, poppet flow control device, plain (tube) all ends connection style, spring disk loading method, 250.0 fahrenheit single response maximum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded external tube all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Material: aluminum alloy 2024 body
Material: rubber butadiene-acrylonitrile class nbr seat
Material Document And Classification: mil-p-25732 mil spec single material response seat
Material Document And Classification: qq-a-225/6 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: carbon dioxide 2nd response
Media For Which Designed: ethylene glycol 3rd response
Media For Which Designed: helium 4th response
Media For Which Designed: hydrogen 5th response
Style Designator: straight thru

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
2584142	Check Valve
C277A2Q	Check Valve
P45-277A2Q	Check Valve
P45-278	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-721-9641?

The FSCG of the NSN 4820-00-721-9641 is 4820

Does the NSN 4820-00-721-9641 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-721-9641 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 4820-00-721-9641 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-721-9641 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 4820-00-721-9641 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jul 23, 1971