Construction typeBlockDatum diameter4.4000 in, 111.76 mmMaterialCast ironNumber of grooves6.0000O.D. (in)5.1500 , 130.81 mm
| Construction type | Block |
| Datum diameter | 4.4000 in, 111.76 mm |
| Material | Cast iron |
| Number of grooves | 6.0000 |
| O.D. (in) | 5.1500 , 130.81 mm |