| 1C5321 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| BS2559 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN51-11 PART 17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DL9A | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| DL9A-H2277 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS2559 | U8176 | ENGINEERING CONTROL SUPPLIES LIMITED |
| H2277 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| H20014 | K0967 | MBDA UK LTD |
| F1FA16787 | U1269 | MINISTRY OF DEFENCE - DEFENCE LOGIST S ORGANISATION DLO |