| 6A13935 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| DEFSTAN53-56 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NDN2075-2 | K0185 | SMITHS AEROSPACE CUSTOMER SERVICES DIVISION |
| NDN2075-2SH1-2 | K0185 | SMITHS AEROSPACE CUSTOMER SERVICES DIVISION |
| NDN2075-2SH1-2 | K5294 | GE AVIATION SYSTEMS LIMITED |
| NDN2075-2 | K5294 | GE AVIATION SYSTEMS LIMITED |