Construction typeBlockDatum diameter3.5500 in, 90.17 mmMaterialCast ironNumber of grooves2.0000O.D. (in)4.7500 , 120.65 mm
| Construction type | Block |
| Datum diameter | 3.5500 in, 90.17 mm |
| Material | Cast iron |
| Number of grooves | 2.0000 |
| O.D. (in) | 4.7500 , 120.65 mm |