| 0643-57 | K7766 | BRITISH STANDARDS INSTITUTION |
| 2104 | U4494 | EKA LIMITED |
| RM0643-57P5 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| RMO64357 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| BS4518 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4518-0643-57 | K7766 | BRITISH STANDARDS INSTITUTION |
| SOR 25 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| RMO64357 | U0028 | FREUDENBERG ANGUS |