4820-00-481-2413

Find complete technical information, availability, and procurement data for: 4820-00-481-2413
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-481-2413

Item Name Code

20520

Assigment Date

09/21/1970 (55 years ago)

3a 1st end thread class, 0.125 inches nominal aperture diameter, poppet flow control device, 2a 2nd end thread class, 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: 2a 2nd end
Thread Class: 3a 1st end
Thread Direction: right-hand all ends
Aperture Diameter: 0.125 inches nominal
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: flared (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.875 inches all ends
Seat Angle: 37.0 degrees 1st end
Material: aluminum alloy body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Style Designator: straight thru
Thread Series Designator: unf 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
9R2136	Restrictor Check Valve
C2784-30-3010	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-481-2413?

The FSCG of the NSN 4820-00-481-2413 is 4820

Does the NSN 4820-00-481-2413 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-481-2413 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 4820-00-481-2413 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-481-2413 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 4820-00-481-2413 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Sep 21, 1970