A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 2925-01-327-3069
NSN 5930-01-357-7069
NSN 5990-01-548-3711
NSN 5905-00-153-4822
NSN 7035-01-213-5590
NSN 6240-01-534-2987
NSN 7035-01-633-9537
NSN 6220-00-238-0433
NSN 5915-01-422-5494
NSN 5960-01-391-4701
NSN 6620-01-078-6372
NSN 5920-00-883-0993