| 24600/16 | KC8U1 | GARDNER DENVER LIMITED |
| 24600/16 | U0832 | HAMWORTHY BELLISS & MORCOM LTD |
| A13519 | K0967 | MBDA UK LTD |
| 717-8700 | K0F76 | FARNELL PLC |
| AB/01/01/05626 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| AB/1/1/5626 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
| ISO4762-M5X16-12.9 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
| ST53C4 | K0584 | MINISTRY OF DEFENCE NAVY |
| DEFSTAN53-25 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| M5X16-12.9 ZINC PLATED | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4168:PART 1-M5X16-12.9 ZN | K7766 | BRITISH STANDARDS INSTITUTION |
| BSENISO4762 | K7766 | BRITISH STANDARDS INSTITUTION |
| Y24600/16 | KC8U1 | GARDNER DENVER LIMITED |
| Y24600/16 | U0832 | HAMWORTHY BELLISS & MORCOM LTD |