A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5920-01-208-2689
NSN 5998-01-414-6711
NSN 6145-01-514-0593
NSN 6650-01-443-5342
NSN 4140-00-287-3176
NSN 5985-01-408-9856
NSN 5998-01-552-1105
NSN 6620-01-062-1662
NSN 5975-01-364-8210
NSN 6320-00-115-0883
NSN 6220-01-175-1246
NSN 6145-01-451-4304