A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 4140-00-415-6513
NSN 2925-01-434-6945
NSN 5895-01-551-9544
NSN 7035-01-563-1646
NSN 5996-01-260-0777
NSN 6650-00-855-9135
NSN 5950-01-367-1870
NSN 5999-01-146-0476
NSN 6150-01-299-1687
NSN 5925-01-115-5803
NSN 6620-01-081-1042
NSN 6610-01-461-6182