| 31-1PT2 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| 5815-99N38-0141 | K0997 | BABCOCK COMMUNICATIONS LIMITED |
| P2111-6 | K0062 | CROSFIELD ELECTRONICS LTD |
| BS040704 | K1073 | MORGANITE ELECTRICAL CARBON LIMITED |
| BS1131PT5 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1131PT5-040704 | K7766 | BRITISH STANDARDS INSTITUTION |
| P2111-6 | U2982 | BAE SYSTEMS DEFENCE SYSTEMS LTD |