| 141 | K7766 | BRITISH STANDARDS INSTITUTION |
| 1962 | K7766 | BRITISH STANDARDS INSTITUTION |
| 3068-858 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| BS1806-141 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-141 | K7766 | BRITISH STANDARDS INSTITUTION |