| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| P602081 | K5974 | ROLLS-ROYCE PLC NAVAL MARINE |
| RM0545-30 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| RM0545-30E75 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| SOR 60 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| SOR 60-E75 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |