| 3181-4012-001 | K0656 | BAE SYSTEMS (OPERATIONS) LIMITED |
| 4001052 | K1384 | RACAL RADAR DEFENCE SYSTEMS LTD |
| 938320/04012 | K0268 | RAYTHEON SYSTEMS LIMITED |
| BS4183 | K7766 | BRITISH STANDARDS INSTITUTION |
| 9731136 | U0434 | MORGANITE ELECTRONIC INSTRUMENTS LTD |
| 4001052 | U1880 | RACAL DEFENCE ELECTRONICS LTD |
| ND2146 | K0824 | PEARSON ENGINEERING LIMITED |
| BS4183SMMCPNSL04-0X012CRS000NT | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4183-TABLE 4 M4 X 12 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCPNSL04-0X012CRS000NT | K9090 | MINISTRY OF DEFENCE |