A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5998-00-730-8237
NSN 6620-00-135-0895
NSN 5935-01-312-5264
NSN 5905-01-309-6833
NSN 6240-00-155-8728
NSN 5925-01-490-6296
NSN 5855-00-688-9954
NSN 5855-00-198-3197
NSN 5960-01-522-0391
NSN 5996-00-942-3110
NSN 6220-01-077-3461
NSN 6105-01-607-6572