| Thread diameter in mm | C 10 | 
| Hex key in mm | 16 | 
| Screw thread in mm | 1.00 | 
| Internal construction | P isolant proéminent, R résistance intégrée | 
| Thermal index | 9 | 
| Thread length in mm | E 19 | 
| Drawing of the spark gap | A, B, C, D, E dessin spécial | 
| Electrode spacing in mm | 0.9 |