A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6620-00-905-6590
NSN 6220-00-937-5906
NSN 6645-00-300-0401
NSN 5945-00-447-1934
NSN 6220-01-174-9498
NSN 6145-01-509-6256
NSN 5996-00-499-8036
NSN 5998-01-619-5160
NSN 5925-01-077-1032
NSN 6130-01-235-8477
NSN 5925-00-955-0659
NSN 5999-00-183-7687