| 2451 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| NC17226 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| NC17226 RVA51 MK3 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| R.V.A.51 MK.3 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| RVA51 MK3 TO DRAWING NO.NC17226 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| RVA5MK3 | K0207 | HALE HAMILTON (VALVES) LIMITED |