Hex Head Bushings ASME B16.11
| NPS | Minimum Length E |
Minimum Hex Height C |
Nominal F |
| 1/2 | 14 | 5 | 22 |
| 3/4 | 16 | 6 | 27 |
| 1 | 19 | 6 | 35 |
| 1.1/4 | 21 | 7 | 44.5 |
| 1.1/2 | 21 | 8 | 51 |
| 2 | 22 | 9 | 63.5 |
| 2.1/2 | 27 | 10 | 76 |
| 3 | 28 | 10 | 89 |
| 4 | 32 | 13 | 117.5 |
General notes..
- Dimensions are in millimeters unless otherwise indicated.
- Cautionary Note Regarding Hex Bushings:
Hex head bushings of one-size reduction should not be used in services where they might be subject to harmful loads and forces other than internal pressures.