| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| P602083 | K5974 | ROLLS-ROYCE PLC NAVAL MARINE |
| RM0645-30 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| RM0645-30E75 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| SOR 62 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| SOR 62-E75 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |