A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5905-00-274-3789
NSN 5935-01-634-0668
NSN 6610-01-090-5908
NSN 6220-00-138-5969
NSN 6105-00-335-9732
NSN 5999-01-207-9740
NSN 5935-01-622-2924
NSN 6145-00-763-2255
NSN 5925-01-161-6192
NSN 7035-01-119-6271
NSN 5910-01-503-3605
NSN 4140-00-860-1373