| BS4518-0275-30 | K7766 | BRITISH STANDARDS INSTITUTION |
| DEFSTAN02-337-0275-30-FC70 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-0275-30-FC70 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-0275-30-FC70-(V72G) | L6427 | MOBILE VALVE REPAIRS |
| NES337-0275-30-FC70-(V72G) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |