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| 24000-0S46-BA70 | U8616 | JAMES WALKER & CO LTD |
| 343 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-343 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-343 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-343-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 337-343-MN70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-343-MN70-(N73B) | L6427 | MOBILE VALVE REPAIRS |
| NES337-343-MN70-(N73B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |