4820-00-421-3848
Find complete technical information, availability, and procurement data for: 4820-00-421-3848
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An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.
disk flow control device, 0.750 inches 1st end nominal pipe size accommodated, 0.500 inches 2nd end nominal pipe size accommodated, right-hand 2nd end thread direction, right-hand 1st end thread direction
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
- 0.500 inches 2nd end
- Nominal Pipe Size Accommodated
- 0.750 inches 1st end
- Thread Direction
- right-hand 1st end
- Thread Direction
- right-hand 2nd end
- Flow Control Device
- disk
- Bonnet Type
- inside spring
- Bonnet Attachment Method
- threaded
- Disk Loading Method
- spring
- Valve Discharge Flow Rate
- 50.0 cubic feet per minute
- Connection Style
- plain (pipe) 2nd end
- Connection Style
- plain,optional end(pipe) 1st end
- Valve Operation Method
- automatic
- Connection Type
- threaded external pipe 2nd end
- Connection Type
- threaded internal pipe 1st end
- Features Provided
- pressure tight outlet side
- Thread Quantity Per Inch
- 14 1st end
- Thread Quantity Per Inch
- 14 2nd end
- Maximum Operating Pressure
- 165.0 pounds per square inch single response
- Nominal Thread Size
- 0.500 inches 2nd end
- Nominal Thread Size
- 0.750 inches 1st end
- Opening Pressure Setting
- 15.0 pounds per square inch
- Special Features
- hand lever manual relief
- Material
- copper alloy body
- Material
- copper alloy flow control device
- Material
- copper alloy seat
- Media For Which Designed
- air single response
- Style Designator
- angle
- Thread Series Designator
- npt 2nd end
- Thread Series Designator
- npt 1st end
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-469-7754 | No Name Available | 09/01/1978 |
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 |
|---|---|
| 2A1-2MNPT15PSI | Safety Relief Valve |
| A23082 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-421-3848?
Does the NSN 4820-00-421-3848 have a Schedule B code assigned?
Does NSN 4820-00-421-3848 require demilitarization?
Does NSN 4820-00-421-3848 contain precious materials?
Does NSN 4820-00-421-3848 contain hazardous materials?
When the NSN 4820-00-421-3848 was assigned to the Federal Catalog?
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