A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6145-00-182-9797
NSN 4140-01-249-0382
NSN 5975-00-753-9409
NSN 4140-01-533-3139
NSN 5895-01-441-2775
NSN 6110-00-352-0605
NSN 6145-00-177-4731
NSN 4140-01-646-1617
NSN 5920-01-294-7511
NSN 5920-01-618-3375
NSN 5915-00-985-2707
NSN 6620-00-678-3386