MIL-S-7742D (AMENDMENT 1), MILITARY SPECIFICATION: SCREW THREADS, STANDARD, OPTIMUM SELECTED SERIES: GENERAL SPECIFICATION FOR (02 SEP 1992) [NO S/S DOCUMENT]., This amendment forms a part of MIL-S-7742D, dated 25 July 1991, and is approved for use by all Departments and Agencies of the Department of Defense.