MIL-C-81706 (INTERIM AMENDMENT 5), MILITARY SPECIFICATION: CHEMICAL CONVERSION MATERIALS FOR COATING ALUMINUM AND ALUMINUM ALLOYS (13 NOV 1979) [S/S BY MIL-DTL-81706A)., This interim amendment is issued for use by the Naval Air System Command, with Military Specification MIL-C-81706(dated) 30 June 1970.