A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5920-01-433-8060
NSN 6620-01-232-0680
NSN 6135-01-231-4809
NSN 5855-01-433-2220
NSN 6240-01-071-9353
NSN 5990-01-492-6575
NSN 6650-01-257-3114
NSN 5996-01-544-4058
NSN 6110-00-346-3113
NSN 5990-01-199-4832
NSN 5905-00-952-2990
NSN 6620-00-140-8644