MIL-C-7989B (AMENDMENT 1), MILITARY SPECIFICATION: COVERS, LIGHT – TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR (08-SEP-1982) [S/S BY MIL-DTL-7989C]
MIL-C-7989B (AMENDMENT 1), MILITARY SPECIFICATION: COVERS, LIGHT – TRANSMITTING, FOR AERONAUTICAL LIGHTS, GENERAL SPECIFICATION FOR (08-SEP-1982) [S/S BY MIL-DTL-7989C].