MS28777D, DETAIL SPECIFICATION SHEET: WASHER, FLAT AIRCRAFT HYDRAULIC BACKUP (28-APR-2009)

MS28777D, DETAIL SPECIFICATION SHEET: WASHER, FLAT AIRCRAFT HYDRAULIC BACKUP (28-APR-2009)., Inactive for new design after 17 April 1997. This specification sheet is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and procurement specification MIL-DTL-5521.