A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5990-01-548-5979
NSN 5975-01-130-2581
NSN 5990-00-226-1152
NSN 5990-01-032-3832
NSN 6135-01-322-4655
NSN 5975-00-526-4701
NSN 6220-01-399-3656
NSN 5895-01-174-9168
NSN 5935-00-501-9105
NSN 6610-01-352-6344
NSN 5920-00-991-2262
NSN 4140-01-460-8112