MIL-C-6183B, MILITARY SPECIFICATION, CORK AND RUBBER COMPOSITION SHEET, FOR AROMATIC FUEL AND OIL RESISTANT GASKETS (13 FEB 1981) [S/S BY SAE-AMS-C-6183]., This specification covers vulcanized sheet made of granulated cork uniformly dispersed in a synthetic rubber compound, for use in gaskets where aromatic fuel or oil resistance is required.