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| 39-0142 | U3577 | RACAL INSTRUMENTS WIRELESS SOLUTIONS TD AN AEROFLEX COMPANY |
| 81-3926Z | U5012 | COUNTRYMAN GROUP LTD |
| DEFSTAN53-23 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4183-TABLE 4 | K7766 | BRITISH STANDARDS INSTITUTION |
| SE104301 | K8583 | LEYLAND VEHICLES LTD |
| BS4183SMMCPNSL04-0X030S00048Z8 | K9090 | MINISTRY OF DEFENCE |
| 992MT3 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |