| 28S6526 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 5W5092 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| A24 | K7766 | BRITISH STANDARDS INSTITUTION |
| A36 | K7766 | BRITISH STANDARDS INSTITUTION |
| A36-A24 | K7766 | BRITISH STANDARDS INSTITUTION |
| A36A24 | K7766 | BRITISH STANDARDS INSTITUTION |
| NL2869 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD |