| 28N19601 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| AS8456-2 | K1012 | ARMSTRONG PRECISION COMPONENTS LTD |
| AS8456-25 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AS8456-25 | K1209 | CROSS MANUFACTURING COMPANY (1938) LIMITED |
| AS8456-25 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| AS8456-25 | U1853 | LOBAINDUSTRIAL PRODUCTSLTD |
| DEFSTAN53-14 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| B19035 | K0967 | MBDA UK LTD |
| NU8503 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD |