| 4C3474 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 53-62 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| G05205-148ES1TEM14 | K0349 | M L AVIATION LTD INCORPORATING M L WALLOP DEFENCE SYSTEMS LTD |
| G05205-148E1TEM14 | K4234 | CURTISS-WRIGHT FLOW CONTROL (UK) LTD |
| BS1768 | K7766 | BRITISH STANDARDS INSTITUTION |
| G05205-148E1TEM14 | U1918 | MISSION SYSTEMS WIMBORNE LIMITED |
| G05205-148ES1TEM14 | U1918 | MISSION SYSTEMS WIMBORNE LIMITED |