A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6135-00-583-3966
NSN 6220-00-419-0635
NSN 5965-00-698-0433
NSN 6130-00-689-7616
NSN 5945-01-180-8304
NSN 6650-01-285-4546
NSN 6620-00-844-4363
NSN 5999-01-605-8143
NSN 5975-00-126-5724
NSN 6645-01-467-3182
NSN 5930-01-170-7371
NSN 4140-01-137-3264