| BS1981 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1981-TABLE 4 10 UNF X 1/2 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN53-46 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| ND14769C | K1562 | LOCKHEED MARTIN UK AMPTHILL LIMITED |
| GLY0751-3 ITEM 104 | K6055 | GALLAY LIMITED |
| FVRDE MEMO 5021 | U0795 | QINETIQ |
| UFS403/4S | K0030 | BAE SYSTEMS GLOBAL COMBAT SYSTEMSLIMITED |
| Y5333-195C | U0041 | PRESTOLITE ELECTRIC LIMITED TEMS |
| ND14769C | U3674 | INSYS LTD |