| 1023-241TEM66 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| 28P20112 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| DEFSTAN53-10 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| AC/12/06/1309 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| K20 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP90 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP90-K20 | K7766 | BRITISH STANDARDS INSTITUTION |
| SP90K20 | K7766 | BRITISH STANDARDS INSTITUTION |