Center member assemblies for Thomas DBZ, DBZ-A, and DBZ-B couplings. Include center member, disc packs, and disc pack hardware.
| Bore diameter actual | 18.0000 mm, 0.709 in |
| Bore length | 1.0000 in, 25.4 mm |
| Bushing size | JA |
| Bushing type | QD |
| I.D. | 18 mm |
| Installation torque | 60 in/lb, 60.0 in/lb |
| Integral key | No |
| Keyway size | 6 X 6 |
| Material | Sintered steel |
| Number of bolts | 3 |
| Rated Torque | 1000.0000 lbf, 4448.222 N |
| Shaft attachment | Finished bore |