| 001273362 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| 131 | K7766 | BRITISH STANDARDS INSTITUTION |
| 4400 ITEM 28 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| 5099 ITEM 32 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO3220 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| NB27378 ITEM 28 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| NC 30606 ITEM 32 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| DEFSTAN02-337-131-MN80 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-131-MN80 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS1806-131 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-131 | K7766 | BRITISH STANDARDS INSTITUTION |
| NES337-131-MN80-(N83B) | L6427 | MOBILE VALVE REPAIRS |
| NES337-131-MN80-(N83B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |