| 252NM49991TX | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| BS4168 PART 1 | K7766 | BRITISH STANDARDS INSTITUTION |
| ISO4762-M10X20-12.9 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
| NM49991TX | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| BSENISO4762 | K7766 | BRITISH STANDARDS INSTITUTION |
| M10X20-12.9PHOSPHATE | K7766 | BRITISH STANDARDS INSTITUTION |