4820-01-449-8123

Find complete technical information, availability, and procurement data for: 4820-01-449-8123
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-449-8123

Item Name Code

05488

Assigment Date

10/16/1997 (28 years ago)

A ridge item, usually of flat material, formed into a dihedral angle (generally a right angle) which may be reinforced; it is designed to position, align, or support an item(s) in relation to another. Excludes:brace (as modified); bracket (1), mounting; and bracket, shelf.

inside spring bonnet type, disk flow control device, 3a all ends thread class, integral bonnet attachment method, right-hand all ends thread direction

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 all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: aircraft, awacs, e-3a
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Thread Quantity Per Inch: 12 all ends
Adjustable Pressure Range: +115.0 to 250.0 pounds per square inch
Maximum Operating Pressure: 3600.0 pounds per square inch single response
Nominal Thread Size: 1.062 inches all ends
Seat Angle: 37.0 degrees all ends
Material: rubber synthetic packing
Material: steel comp 303 body
Material: steel corrosion resisting flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: angle
Thread Series Designator: un all ends

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
644XB-4-12-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-449-8123?

The FSCG of the NSN 4820-01-449-8123 is 4820

Does the NSN 4820-01-449-8123 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-449-8123 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 4820-01-449-8123 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-449-8123 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 4820-01-449-8123 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Thu, Oct 16, 1997