
| Nominal Pipe Size | Outside Diameter, D | End-to-End Coupling, W | End-to-End Coupling | Minimum Length of Thread [Note (1)] | |||
|---|---|---|---|---|---|---|---|
| 3000 | 6000 | 3000/6000 | 3000/6000 | Tol ± | 3000/600 | ||
| B | L2 | ||||||
| 1/8 | 16 | 22 | 32 | 6.4 | 6.7 | ||
| 1/4 | 19 | 25 | 35 | 30.2 | ±0.8/-0.0 | 8.1 | 10.2 |
| 3/8 | 22 | 32 | 48 | 30.2 | ±0.8/-0.0 | 9.1 | 10.4 |
| 1/2 | 28 | 38 | 48 | 33.4 | ±0.8/-0.0 | 10.9 | 13.6 |
| 3/4 | 35 | 44 | 51 | 34.9 | ±0.8/-0.0 | 12.7 | 13.9 |
| 1 | 44 | 57 | 60 | 42.9 | ±0.8/-0.0 | 14.7 | 17.3 |
| 114 | 57 | 64 | 67 | 47.6 | ±0.8/-0.0 | 17.0 | 18.4 |
| 11/2 | 64 | 76 | 79 | 50.8 | ±0.8/-0.0 | 17.8 | 18.4 |
| 2 | 76 | 92 | 86 | 57.2 | ±1.5/-0.0 | 19.0 | 19.2 |
| 21/2 | 92 | 108 | 92 | 63.5 | ±1.5/-0.0 | 23.6 | 28.9 |
| 3 | 108 | 127 | 108 | 69.9 | ±1.5/-0.0 | 25.9 | 30.5 |
| 4 | 140 | 159 | 121 | 76.2 | ±1.5/-0.0 | 27.7 | 33.0 |