This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE as of July 2010 and has been superseded by AMS 1424. The requirements of the latest issue of AMS 1424 shall be fulfilled whenever reference is made to the cancelled AMS 1427. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications, noting that it is superseded by AMS 1424.
