| 13Y261-0020-0002-000-199 | K6451 | BAE SYSTEMS MARINE LIMITED |
| 13Y261-0020-0002-000PT199 | K6451 | BAE SYSTEMS MARINE LIMITED |
| SSN.13/SAN 6409 | K6451 | BAE SYSTEMS MARINE LIMITED |
| Y261-0020-0002-000-199 | K6451 | BAE SYSTEMS MARINE LIMITED |
| Y261-0020-0002-000PT199 | K6451 | BAE SYSTEMS MARINE LIMITED |
| BS4439 | K7766 | BRITISH STANDARDS INSTITUTION |