| 327 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| BS1806-327 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-327 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806 | U0F31 | BSL EXPRESS SERVICE LTD |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-327-MN60 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-327-MN60-(N63B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |