A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5855-01-432-6172
NSN 6150-00-198-1074
NSN 5935-01-218-8616
NSN 4140-00-287-9199
NSN 5925-00-397-8258
NSN 6220-01-084-5047
NSN 6105-01-152-2800
NSN 5895-00-518-1593
NSN 5985-01-426-4836
NSN 6685-00-596-8765
NSN 5910-00-336-7678
NSN 4140-01-658-6227