| BS4439 | K7766 | BRITISH STANDARDS INSTITUTION |
| DGS160 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| DGS160B | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| P.L. M.C.M./354/01/001 | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| P.L. M.C.M./354/01/001 REFERENC- | K4944 | BAE SYSTEMS SURFACE SHIPS LIMITED |
| DGS160 | U1473 | BOLT & NUT SUPPLIES LTD |
| PL 004501728 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| PL 004501728 REFERENCE 1327 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |