| A25-12C | K7766 | BRITISH STANDARDS INSTITUTION |
| BO983 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| NA36664 ITEM 45 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| QCA/NA36664 ITEM 45 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| QCANA36664 ITEM 45 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |