MS91406, MILITARY STANDARD: MOUNTS, VIBRATION, BEAM-TYPE, CLASSES A & B, COARSE THREAD (FOR USE WITH ELECTRONIC EQUIPMENT IN AIRCRAFT) (08 DEC 1958) [SUPERSEDED BY MS91405 OR MS91527].
MS91406, MILITARY STANDARD: MOUNTS, VIBRATION, BEAM-TYPE, CLASSES A & B, COARSE THREAD (FOR USE WITH ELECTRONIC EQUIPMENT IN AIRCRAFT) (08 DEC 1958) [SUPERSEDED BY MS91405 OR MS91527].