3/4" NPT Thread Specifications
Complete dimensions for 3/4" NPT pipe thread. TPI: 14, Pitch: 0.07143" (1.814 mm).
Thread Dimensions
| Designation | 3/4" NPT |
| Nominal Pipe Size | 3/4" |
| TPI | 14 |
| Pitch | 0.07143" (1.814 mm) |
| Outside Diameter | 1.05" (26.67 mm) |
| Pitch Diameter | 1.0036" (25.49 mm) |
| Minor Diameter | 0.9624" (24.44 mm) |
| Taper Angle | 1.7899° (1:16 taper ratio) |
| Thread Depth | 0.04949" (1.257 mm) |
Tap Drill Size
Tap drill: 0.9624" (24.44 mm)
Common Applications
- Plumbing connections
- Gas piping
- Hydraulic fittings
- Pneumatic connections