This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of July 2011 and has been superseded by AMS2404. The requirements of the latest issue of AMS2404 shall be fulfilled whenever reference is made to the cancelled AMS-C-26074. By this action, this documnet will remain listed in the Numerical Section of the Index of Aerospace Material Specifications, noting that it has been superseded by AMS2404.