| BS1806-029 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-029 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| WE122C1A | K1806 | MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT) |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |