| 139A | K4232 | AUTO DIESELS EDGHILLS |
| 1K272 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SSML7-17 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SSML7-17-1K272 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS1806-272 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-272 | K7766 | BRITISH STANDARDS INSTITUTION |
| TR750B66 | K0279 | G E C MARCONI AVIONICS LTD |
| Z0022E272 | K0279 | G E C MARCONI AVIONICS LTD |