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| 2164-121 | K0663 | FERRANTI TECHNOLOGIES LTD |
| 30-293-311-21 | K0481 | SMITHS INDUSTRIES LTD |
| 21640-121 | K0663 | FERRANTI TECHNOLOGIES LTD |
| 21640-121 | K8084 | FERRANTI INTERNATIONAL PLC |
| 2164-121 | K8084 | FERRANTI INTERNATIONAL PLC |
| A33Z4 | F0221 | RATIER FIGEAC |
| 30-293-311-21 | K5294 | GE AVIATION SYSTEMS LIMITED |
| A33Z4 | K7766 | BRITISH STANDARDS INSTITUTION |
| A33 | K7766 | BRITISH STANDARDS INSTITUTION |
| A33-Z4 | K7766 | BRITISH STANDARDS INSTITUTION |
| 800131 | U1278 | MINISTRY OF DEFENCE NAVY |
| 800131 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 99-913-1652 | U9199 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU (UKNCB)TASKING, DETAILS FOR CANCELLED NSN'S(CSC D) |
| AE7980-0047-004 | K0377 | GOODRICH ACTUATION SYSTEMS LIMITED |
| AE7980-0047-004 | K0655 | LUCAS AEROSPACE LTD ELECTRONIC SYSTEMS & EQUIPMENT DIV |
| B00235 | K0967 | MBDA UK LTD |
| Z4 | K7766 | BRITISH STANDARDS INSTITUTION |