| BS4168:PART 4 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4168:PART 4 M6X16-45H | K7766 | BRITISH STANDARDS INSTITUTION |
| FV 2181123 ITEM 93 | K0407 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| FV 2181123/93 | K0407 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| DEFSTAN53-19 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |