C3650-1 1/4 IN

View detailed technical data, stock status, and sourcing information for: C3650-1 1/4 IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-301-1612

Item Name Code

05488

Assigment Date

05/25/1989 (37 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

180.0 fahrenheit single response maximum operating temp, disk flow control device, inside screw bonnet type, 1.250 inches all ends nominal pipe size accommodated, threaded bonnet attachment method

Product Characteristics

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

Nominal Pipe Size Accommodated: 1.250 inches all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +45.0 to 70.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: copper alloy body
Material: rubber synthetic flow control device
Media For Which Designed: gas, inert 1st response
Media For Which Designed: water, fresh 2nd response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-235-4870	No Name Available	02/01/2004
4820-01-251-7622	No Name Available	03/01/2020
4820-01-358-3203	No Name Available	02/01/2010

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
1384P/L4142X4226-45T70PSI	Safety Relief Valve
1385 P/L 2385F225	Safety Relief Valve
2385F225	Safety Relief Valve
2585F225	Safety Relief Valve
4142X4226P/LW/GAG45T70PSI	Safety Relief Valve
C3650-1 1/4 IN	Safety Relief Valve
YB2385F225	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-301-1612?

The FSCG of the NSN 4820-01-301-1612 is 4820

Does the NSN 4820-01-301-1612 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-301-1612 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 4820-01-301-1612 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-301-1612 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 4820-01-301-1612 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, May 25, 1989