This specification has been declared "NONCURRENT" by the Aerospace Materials Division, SAE, as of 1-1-84. It is recommended that this specification not be specified for new designs. This cover sheet should be attached to the initial issue of the sUbject specification. Noncurrent refers to those procedures which have previously been widely used and which may be required on some existing designs in the future. The Aerospace Materials Division does not recommend these as standard procedures for future use in new designs. Each of these "Noncurrent" specifications is available from SAE upon request. This specification has been CANCELLED by the Aerospace Materials Division, SAE, as of August, 1989. By this action, subject specification number and its title will be deleted from the active specification index of Aerospace Material Specifications.