A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5990-00-519-9974
NSN 5990-01-221-0609
NSN 5998-00-657-4760
NSN 6220-01-376-4372
NSN 4140-01-308-0435
NSN 5999-01-327-3672
NSN 6105-01-141-6912
NSN 5996-01-578-3757
NSN 6105-00-195-7065
NSN 5945-00-293-8333
NSN 5960-01-034-6537
NSN 5998-01-038-7722