MIL-C-7989B, MILITARY SPECIFICATION: COVERS, LIGHT – TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR (08-MAR-1971) [S/S BY MIL-DTL-7989C]

MIL-C-7989B, MILITARY SPECIFICATION: COVERS, LIGHT – TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR (08-MAR-1971) [S/S BY MIL-DTL-7989C]., Inactive for new design after 11 June 1999 - This specification covers light-transmitting covers for Aeronautical use.