| NPS | D(outer dimension) | O(Center to Center) | K(Back to Face) |
| 1″ | 33.4 | 51 | 41 |
| 1 1/4″ | 42.2 | 64 | 52 |
| 1 1/2″ | 48.3 | 76 | 62 |
| 2″ | 60.3 | 102 | 81 |
| 2 1/2″ | 73 | 127 | 100 |
| 3″ | 88.9 | 152 | 121 |
| 3 1/2″ | 101.6 | 178 | 140 |
| 4″ | 114.3 | 203 | 159 |
| 5″ | 141.3 | 254 | 197 |
| 6″ | 168.3 | 305 | 237 |
| 8″ | 219.1 | 406 | 313 |
| 10″ | 273 | 508 | 391 |
| 12″ | 323.8 | 610 | 467 |
| 14″ | 355.6 | 711 | 533 |
| 16″ | 406.4 | 813 | 610 |
| 18″ | 457 | 914 | 686 |
| 20″ | 508 | 1016 | 762 |
| 22″ | 559 | 1118 | 838 |
| 24″ | 610 | 1219 | 914 |
