MIL-S-46850D (AMENDMENT 2), MILITARY SPECIFICATION: STEEL: BAR, PLATE, SHEET, STRIP, FORGINGS, AND EXTRUSIONS, 18 PERCENT NICKEL ALLOY, MARAGING, 200 KSI, 250 KSI, 300 KSI, AND 350 KSI, HIGH QUALITY (07 FEB 2002)., This amendment forms a part of MIL-S-46850D, dated 22 March 1991, and is approved for use by allDepartments and Agencies of the Department of Defense.