| 123 | K7766 | BRITISH STANDARDS INSTITUTION |
| 6345 ITEM 71 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO3216 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-123 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-123 | K7766 | BRITISH STANDARDS INSTITUTION |
| NA35433 ITEM 71 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| DEFSTAN02-337-123-MN80 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-123-MN80 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-123-MN80-(N83B) | L6427 | MOBILE VALVE REPAIRS |
| NA35433 ITEM 71 | L6427 | MOBILE VALVE REPAIRS |
| NES337-123-MN80-(N83B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |
| RDS.59.MK.2 | K0207 | HALE HAMILTON (VALVES) LIMITED |