4730-00-257-2101
Find complete technical information, availability, and procurement data for: 4730-00-257-2101
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A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The pipe connection(s) has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The tube connection(s) 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 may have side inlet(s). It is used as a junction at the intersection of pipe or pipe fitting and a tube or tube fitting.
2a 2nd end thread class, flared (tube) 1st end connection style, 2a 1st end thread class, plain (pipe) 3rd end connection style, flared (tube) 2nd end connection style
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 1st end
- Thread Class
- 2a 2nd end
- Connection Style
- flared (tube) 1st end
- Connection Style
- flared (tube) 2nd end
- Connection Style
- plain (pipe) 3rd end
- Leg Length
- 1.188 inches nominal 3rd end
- Leg Length
- 1.219 inches nominal 1st end
- Connection Type
- threaded external pipe 3rd end
- Connection Type
- threaded external tube 2nd end
- Connection Type
- threaded external tube 1st end
- Nominal Thread Size
- 0.375 inches 3rd end
- Nominal Thread Size
- 0.750 inches 2nd end
- Nominal Thread Size
- 0.750 inches 1st end
- Seat Angle
- 45.0 degrees 1st end
- Seat Angle
- 45.0 degrees 2nd end
- Nominal Outside Diameter Tube Accommodated
- 0.500 inches 1st end
- Nominal Outside Diameter Tube Accommodated
- 0.500 inches 2nd end
- Material
- copper alloy overall
- Thread Series Designator
- nptf 3rd end
- Thread Series Designator
- unf 1st end
- Thread Series Designator
- unf 2nd end
- Departure From Cited Document
- as modified by tube size
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4730-00-278-6279 | No Name Available | 01/24/1969 |
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 |
|---|---|
| 8-8-6 010425B | Pipe to Tube Tee |
| SAE J512 8-8-6 010425B | Pipe to Tube Tee |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4730-00-257-2101?
Does the NSN 4730-00-257-2101 have a Schedule B code assigned?
Does NSN 4730-00-257-2101 require demilitarization?
Does NSN 4730-00-257-2101 contain precious materials?
Does NSN 4730-00-257-2101 contain hazardous materials?
When the NSN 4730-00-257-2101 was assigned to the Federal Catalog?
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