| BS4183-TABLE 5 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFFSL06-0X020MT0T00NT | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| SCREW6MMNYLONCHEESEHEAD20MMLG | K1333 | NYLONIC ENGINEERING CO LTD |
| SCREW6MMNYLONCHEESEHEAD20MMLG | K8541 | NYLON AND ALLOYS LTD |
| M6X20MMNYL0NCHEESEHEAD | K8541 | NYLON AND ALLOYS LTD |
| BS4183SMMCFFSL06-0X020MT0T00NT | K9090 | MINISTRY OF DEFENCE |