A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 4140-00-435-5607
NSN 5915-01-551-3109
NSN 6685-00-521-3284
NSN 6105-01-528-2455
NSN 5920-00-004-0274
NSN 5999-01-200-6642
NSN 6135-01-186-4010
NSN 7035-01-302-5359
NSN 6240-01-007-1199
NSN 5905-01-428-9660
NSN 6130-00-077-0114
NSN 5920-00-402-1752