| 0S.5 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| 71BN347 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| AAB7 | K0160 | LISTER PETTER LTD |
| AAD600 | K0160 | LISTER PETTER LTD |
| BAA396A | K0160 | LISTER PETTER LTD |
| 81760002 | K3958 | VINTEN AVIONICS SYSTEMS LTD |
| R5772 | K0013 | HALL AND HALL LTD |
| BS1806-010 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-010 | K7766 | BRITISH STANDARDS INSTITUTION |
| R5772 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |