ASME B 18.5 - 2012 (2017)
Display drawing:
| Screw Thread | 1-3/8 | ||
| Thread Size | 1-3/8 | ||
| D | 1.375 | ||
| P | 12 | ||
| Ds | Max | 1.404 | |
| Ds | Min | 1.345 | |
| Dk | Max | 2.571 | |
| Dk | Min | 2.489 | |
| K | Max | 0.738 | |
| K | Min | 0.641 | |
| N | Max | 0.226 | |
| N | Min | 0.208 | |
| T | Max | 0.326 | |
| T | Min | 0.22 | |