| Class 3000 | Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| B | 3/4 | 7/8 | 1 1/16 | 1 1/4 | 1 1/2 | 1 13/16 | 2 1/4 | 2 1/2 | 3 | 3 5/8 | 4 5/16 | 5 1/2 | |
| C | 0.420 | 0.555 | 0.690 | 0.855 | 1.065 | 1.330 | 1.675 | 1.915 | 2.406 | 2.906 | 3.535 | 4.545 | |
| D | 7/16 | 7/16 | 7/16 | 1/2 | 9/16 | 5/8 | 11/16 | 3/4 | 7/8 | 7/8 | 1 | 1 1/8 | |
| F | 11/16 | 3/4 | 3/4 | 7/8 | 1 | 1 1/16 | 1 3/16 | 1 1/4 | 1 1/2 | 1 9/16 | 1 13/16 | 2 1/16 | |
| G | 0.063 | 0.063 | 0.125 | 0.188 | 0.313 | 0.375 | 0.813 | 1.125 | 1.688 | 3.000 | 3.625 | 6.688 | |
| Class 6000 | Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| B | – | – | – | 1 1/2 | 1 3/4 | 2 1/4 | 2 1/2 | 3 | 3 5/8 | 4 1/4 | 5 | 6 1/4 | |
| C | – | – | – | 0.855 | 1.065 | 1.33 | 1.675 | 1.915 | 2.406 | 2.906 | 3.535 | 4.545 | |
| D | – | – | – | 1/2 | 9/16 | 5/8 | 11/16 | 3/4 | 7/8 | 7/8 | 1 | 1 1/8 | |
| F | – | – | – | 1 | 1 1/16 | 1 1/4 | 1 5/16 | 1 3/8 | 1 5/8 | 1 11/16 | 1 15/16 | 2 5/16 | |
| G | – | – | – | 0.375 | 0.500 | 1.125 | 1.125 | 2.250 | 3.500 | 5.625 | 6.000 | 13.500 | |
TABLE: Dimensions Socket Weld Fittings – Socket Weld Fittings Pipe Cap – Class 3000, Class 6000.