Construction typeArmDatum diameter15.6000 in, 396.24 mmMaterialCast ironNumber of grooves2.0000O.D. (in)16.35, O.D. (in):16.3500 , 415.29 mm
| Construction type | Arm |
| Datum diameter | 15.6000 in, 396.24 mm |
| Material | Cast iron |
| Number of grooves | 2.0000 |
| O.D. (in) | 16.35, O.D. (in):16.3500 , 415.29 mm |