Construction typeBlockDatum diameter3.8000 in, 96.52 mmMaterialCast ironNumber of grooves6.0000O.D. (in)4.5500 , 115.57 mm
| Construction type | Block |
| Datum diameter | 3.8000 in, 96.52 mm |
| Material | Cast iron |
| Number of grooves | 6.0000 |
| O.D. (in) | 4.5500 , 115.57 mm |