4820-00-725-2149

Find complete technical information, availability, and procurement data for: 4820-00-725-2149
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-725-2149

Item Name Code

20520

Assigment Date

01/01/1961 (65 years ago)

-40.0 fahrenheit 1st response maximum operating temp, 0.107 inches nominal aperture diameter, 212.0 fahrenheit 2nd response maximum operating temp, right-hand all ends thread direction, cone 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 Direction: right-hand all ends
Aperture Diameter: 0.107 inches nominal
Flow Control Device: cone
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 212.0 fahrenheit 2nd response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Material: copper alloy body
Material: rubber synthetic packing
Material: steel corrosion resisting flow control device
Style Designator: straight thru
Thread Series Designator: nptf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-505-6172	No Name Available	04/09/1971
4820-01-222-4487	No Name Available	05/01/1990

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
F10B	Restrictor Check Valve
HL-18122 PIECE 300	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-725-2149?

The FSCG of the NSN 4820-00-725-2149 is 4820

Does the NSN 4820-00-725-2149 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-725-2149 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 4820-00-725-2149 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-725-2149 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 4820-00-725-2149 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961