| 1FA1-19-8660-06020 | U4535 | B A E SYSTEMS ELECTRONICS LTD |
| BS4168:PART 1 | K7766 | BRITISH STANDARDS INSTITUTION |
| ISO4762-M6X20-A2-70 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
| TORP2D2 | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| BS4168:PART 1-M6X20-A2-70 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSENISO4762 | K7766 | BRITISH STANDARDS INSTITUTION |
| UW333B | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |