A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 2925-01-588-3507
NSN 5905-01-234-2365
NSN 5925-00-313-6049
NSN 6240-00-413-4577
NSN 6685-01-094-9379
NSN 5950-01-176-2692
NSN 4140-00-116-1022
NSN 5998-01-364-1824
NSN 6130-01-091-4399
NSN 6110-00-456-9506
NSN 7035-01-481-8247
NSN 6320-01-029-2196