Construction typeBlockDatum diameter6.8800 in, 174.752 mmMaterialCast ironNumber of grooves2.0000O.D. (in)6.8800 , 174.752 mm
| Construction type | Block |
| Datum diameter | 6.8800 in, 174.752 mm |
| Material | Cast iron |
| Number of grooves | 2.0000 |
| O.D. (in) | 6.8800 , 174.752 mm |