A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 4140-01-471-5979
NSN 5965-00-201-7479
NSN 7035-01-097-8704
NSN 5925-01-461-6504
NSN 5895-00-421-1951
NSN 5930-01-601-7377
NSN 5930-01-100-0708
NSN 6135-01-386-8548
NSN 5945-01-196-4656
NSN 6130-01-095-6872
NSN 5905-01-096-5085
NSN 5915-01-579-7254