A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5950-00-147-0222
NSN 5975-01-290-2962
NSN 5915-01-013-1162
NSN 6685-01-461-3865
NSN 5996-01-383-4029
NSN 6110-00-679-8961
NSN 5999-01-014-0423
NSN 5999-01-645-3578
NSN 4140-01-581-0843
NSN 5925-01-525-7605
NSN 6130-01-031-5057
NSN 6645-01-418-1657