This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of December 2008 and has been superseded by AMS2771. The requirements of the latest issue of AMS2771 shall be fulfilled whenever reference is made to the cancelled MAM2771. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications, noting that it has been superseded by AMS2771.