| Annular | Outer diameter | Inside diameter | Thickness |
| Maximum | 100.00mm | 80.00mm | 30.00mm |
| Least | 2.60mm | 1.80mm | 0.50mm |
| Tolerance | +/-0.1mm | +/-0.1mm | +/-0.1mm |
Surface treatment:
| Type | Data |
| Metal | Zinc, Nickel, Silver, Gold |
| Organic character | Epoxy resin spraying, nickel + epoxy resin spraying |
| Tentative | Surface passivation |