| 23-070 | K3767 | ROTORK CONTROLS LTD |
| 349 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| 90560-6 | U2164 | JAMES WALKER & CO LTD |
| 7773147 | U6803 | MINISTRY OF DEFENCE NAVY |
| 90560-6 | U8616 | JAMES WALKER & CO LTD |
| DEFSTAN02-337-349-MN60 | 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 337-349-MN60 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS1806-349 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-349 | K7766 | BRITISH STANDARDS INSTITUTION |
| NES337-349-MN60-(N63B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |