| 28S20268 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 30-295-403-45 | K0481 | SMITHS INDUSTRIES LTD |
| 3911411 | K1384 | RACAL RADAR DEFENCE SYSTEMS LTD |
| 30-295-403-45 | K5294 | GE AVIATION SYSTEMS LIMITED |
| 811539 | K5524 | MEGGITT UK LIMITED |
| A218 | K7766 | BRITISH STANDARDS INSTITUTION |
| B17471 | K0967 | MBDA UK LTD |
| B18 | K7766 | BRITISH STANDARDS INSTITUTION |
| A218-B18 | K7766 | BRITISH STANDARDS INSTITUTION |
| A218B18 | K7766 | BRITISH STANDARDS INSTITUTION |