MS28777C (AMENDMENT-1), MILITARY STANDARD: WASHER, FLAT AIRCRAFT HYDRAULIC BACKUP (17-APR-1997)

MS28777C (AMENDMENT-1), MILITARY STANDARD: WASHER, FLAT AIRCRAFT HYDRAULIC BACKUP (17-APR-1997)., This amendment forms a part of MS28777C, dated 16 MAY 1984, and is approved for use by all Departments and Agencies of the Department of Defense.