A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6145-01-132-2279
NSN 5925-01-543-1762
NSN 2925-01-127-0167
NSN 6145-00-663-6133
NSN 6130-01-421-2705
NSN 6320-00-164-4087
NSN 6130-01-389-2449
NSN 5996-01-432-2356
NSN 5835-00-406-6382
NSN 6620-01-054-9346
NSN 5915-01-003-7162
NSN 6650-01-298-4138