MIL-W-16642D (AMENDMENT 1), MILITARY SPECIFICATION: WATER TESTING OUTFIT, BOILER (23 JUL 1982)., This amendment forms a part of Military Specifica- tion MIL-W-16642D(SH), dated 12 August 1980, and is approved for use by the Naval Sea Systems Command, Department of the Navy and is available for use by all Departments and Agencies of the Department of Defense.