Construction typeBlockDatum diameter7.0800 in, 179.832 mmMaterialCast ironNumber of grooves4.0000O.D. (in)7.0800 , 179.832 mm
| Construction type | Block |
| Datum diameter | 7.0800 in, 179.832 mm |
| Material | Cast iron |
| Number of grooves | 4.0000 |
| O.D. (in) | 7.0800 , 179.832 mm |