Construction typeBlockDatum diameter4.7500 in, 120.65 mmMaterialCast ironNumber of grooves1.0000O.D. (in)5.9500 , 151.13 mm
| Construction type | Block |
| Datum diameter | 4.7500 in, 120.65 mm |
| Material | Cast iron |
| Number of grooves | 1.0000 |
| O.D. (in) | 5.9500 , 151.13 mm |