A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5975-00-943-1959
NSN 5945-01-320-5352
NSN 4140-00-078-9357
NSN 6135-01-180-9611
NSN 5996-01-579-6558
NSN 6135-01-168-2944
NSN 7035-01-145-5059
NSN 2925-00-468-5273
NSN 6610-00-391-7888
NSN 5965-00-575-4089
NSN 5999-01-341-9201
NSN 6105-00-620-7220