| 28N19011 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 5UA8331 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| AS4736-3 | K1012 | ARMSTRONG PRECISION COMPONENTS LTD |
| AS4736-3 | K1209 | CROSS MANUFACTURING COMPANY (1938) LIMITED |
| AS4736-3 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| AS4736-3 | U5897 | ADVANCED LOGISTICS FOR AEROSPACE (UK) LIMITED |
| DEFSTAN53-14 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |