| 21851-359U | K0433 | TRESCAL LIMITED |
| BS4183 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFCSL03-0X008S00048C0 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| BS4183-TABLE 2 M3 X 8 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFCSL03-0X008S00048C0 | K9090 | MINISTRY OF DEFENCE |