| 20-293-320-19 | K5294 | GE AVIATION SYSTEMS LIMITED |
| 21943-0330-0870 | K0361 | THORN E M I ELECTRONICS LTD |
| 401475 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| 2B110YC-010 | K0978 | BAE SYSTEMS |
| 2510 | K7766 | BRITISH STANDARDS INSTITUTION |
| 8FSC | U3533 | MINISTRY OF DEFENCE ARMY ACA PCM 4 &GW |
| DEF STAN 53-91 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| B59474 | K0967 | MBDA UK LTD |
| A262-2510 | K7766 | BRITISH STANDARDS INSTITUTION |
| 9FSC | U3533 | MINISTRY OF DEFENCE ARMY ACA PCM 4 &GW |