MIL-C-172C (SUPPLEMENT 1D), MILITARY SPECIFICATION: CASES; BASES, MOUNTING; AND MOUNTS, VIBRATION (FOR USE WITH ELECTRONIC EQUIPMENT IN AIRCRAFT) (08 DEC 1958)
MIL-C-172C (SUPPLEMENT 1D), MILITARY SPECIFICATION: CASES; BASES, MOUNTING; AND MOUNTS, VIBRATION (FOR USE WITH ELECTRONIC EQUIPMENT IN AIRCRAFT) (08 DEC 1958).