Construction typeBlockDatum diameter5.4800 in, 139.192 mmMaterialCast ironNumber of grooves4.0000O.D. (in)5.4800 , 139.192 mm
| Construction type | Block |
| Datum diameter | 5.4800 in, 139.192 mm |
| Material | Cast iron |
| Number of grooves | 4.0000 |
| O.D. (in) | 5.4800 , 139.192 mm |