| 11780-39 | K7418 | LBBC LTD |
| 11786-39 | K7418 | LBBC LTD |
| 224 | K7766 | BRITISH STANDARDS INSTITUTION |
| 343 | K6750 | GROSVENOR PUMPS LTD |
| 7772659 | U6803 | MINISTRY OF DEFENCE NAVY |
| B03219 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| B03219 | L6427 | MOBILE VALVE REPAIRS |
| BS ISO 3601-1 SIZE 224 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-224 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-224 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-224-MN70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-224-MN70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-224-MN70-(N73B) | L6427 | MOBILE VALVE REPAIRS |
| NES337-224-MN70-(N73B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |
| TT7772659 | KD264 | MINISTRY OF DEFENCE ES SEA/WARSHIP SUPPORT AGENCY SSIPT |