| Brush Length - Standard | 15.5 Millimeter (mm) |
| Brush Length - Minimum | 10 Millimeter (mm) |
| Brush Spring Tension - Standard | 1.8-2.4 Kilogram-Force (kgf) |
| Brush Spring Tension - Minimum | 1.2 Kilogram-Force (kgf) |
| Commutator Insulation Depth - Standard | 0.60 Millimeter (mm) |
| Commutator Insulation Depth - Minimum | 0.20 Millimeter (mm) |
| Commutator Outside Diameter - Standard | 30 Millimeter (mm) |
| Commutator Outside Diameter - Minimum | 29 Millimeter (mm) |
| Commutator Runout - Standard | 0.05 Millimeter (mm) |
| Direction of Rotation | Clockwise (as viewed from pinion) |
| Number of Pinion Teeth | 9 Count (ct) |