A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5996-01-143-5779
NSN 5996-01-575-1501
NSN 5990-01-261-2962
NSN 5998-00-788-7455
NSN 5996-01-562-4780
NSN 5999-01-634-0576
NSN 6110-01-239-3128
NSN 5960-01-374-3527
NSN 5998-01-238-9370
NSN 5950-01-447-0929
NSN 7035-01-615-1677
NSN 5935-01-634-0668