| 7777A ITEM 44 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| 7777A-0 ITEM 44 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| P153032 | K3762 | FERRANTI NAVAL SYSTEMS DIV OF GEC MARCONI |
| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 8 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981RCSLUN0.112X008STOOZN | K7766 | BRITISH STANDARDS INSTITUTION |