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| 1H184 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| DEFSTAN51-11PT32 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| H6332 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| 76-06 | K5652 | SOLSTRAND INDUSTRIES LIMITED |
| 1H550 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| WB808-6BA | K0574 | DOWTY INTERCONNECT A DIVISION OF DOWTY ELECTRONIC |
| WB808-6BA | K0653 | ULTRA ELECTRONICS PRECISION AIR &LAND SYSTEMS |