| BS4439 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4439-M8X50-4H-1D | K7766 | BRITISH STANDARDS INSTITUTION |
| P.L. 004501692 REFERENCE 1319 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L.004501692 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L.M.C.M./352/03/001 ITEM 1319 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L. M.C.M./352/03/001 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L.M.C.M./352/08/001 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |