| BS1806-118 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-118 | K7766 | BRITISH STANDARDS INSTITUTION |
| R3087 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R3087/63NBR3722 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R3087P60 | K0640 | FREUDENBERG TECHNICAL PRODUCTS |
| R3087-OR13 | K5074 | EDBRO PLC |