| AS43013-258 | 0U583 | SAE INTERNATIONAL |
| AS43013-258 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| AS43013-258 | U1068 | TRELLEBORG SEALING SOLUTIONS (UK)LTD |
| AS43013-258 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| AS43013-258 | U1901 | MEGGITT AEROSPACE LTD T/A MEGGITTPOLYMERS AND COMPOSITES DBA DUNLOP BESTOBELL |
| AS43013-258 | U4330 | HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK |
| M48 | K7766 | BRITISH STANDARDS INSTITUTION |