| 0026R-469 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 0266-16206 | U1278 | MINISTRY OF DEFENCE NAVY |
| 7980-0089-044 | K0655 | LUCAS AEROSPACE LTD ELECTRONIC SYSTEMS & EQUIPMENT DIV |
| A35 | K7766 | BRITISH STANDARDS INSTITUTION |
| A35-B44 | K7766 | BRITISH STANDARDS INSTITUTION |
| 5UB7428 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| NL2129 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD |
| A35B44 | K7766 | BRITISH STANDARDS INSTITUTION |
| B44 | K7766 | BRITISH STANDARDS INSTITUTION |