2391237-2

View detailed technical data, stock status, and sourcing information for: 2391237-2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-464-4331

Item Name Code

05488

Assigment Date

05/23/1969 (57 years ago)

A straight, one-piece fitting used to join a tube or tube fitting to another tube or tube fitting. It may have any type externally threaded tube connections of the same size on both ends and is usually shaped externally at the center to accommodate a wrench. It may include nuts, sleeves, and/or grommets.

right-hand 1st end thread direction, 3a 1st end thread class, threaded bonnet attachment method, inside screw bonnet type, ball 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.

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: ball
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 12.0 cubic feet per minute
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Maximum Operating Pressure: 90.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches 1st end
Opening Pressure Setting: 115.0 pounds per square inch
Material: aluminum alloy 2024 body
Material: aluminum alloy 2024 seat
Material: steel comp 440a or steel comp 440b or steel comp 440c flow control device
Material Document And Classification: ams 7445 assn std single material response flow control device
Material Document And Classification: qq-a-225/6,alloy 2024,t4 fed spec single material response seat
Material Document And Classification: qq-a-225/6,alloy 2024,t4 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: nitrogen, gaseous 2nd response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,ty 1 mil spec single treatment response
Style Designator: angle
Thread Series Designator: unf 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
2391237-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-464-4331?

The FSCG of the NSN 4820-00-464-4331 is 4820

Does the NSN 4820-00-464-4331 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-464-4331 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-464-4331 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-464-4331 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 4820-00-464-4331 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, May 23, 1969