Construction typeArmDatum diameter24.0000 in, 609.6 mmMaterialCast ironNumber of grooves10.0000O.D. (in)24.4000 , 619.76 mm
| Construction type | Arm |
| Datum diameter | 24.0000 in, 609.6 mm |
| Material | Cast iron |
| Number of grooves | 10.0000 |
| O.D. (in) | 24.4000 , 619.76 mm |