A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5910-00-621-0180
NSN 6645-00-739-6718
NSN 5920-01-330-8789
NSN 4140-00-115-6496
NSN 5998-01-331-3231
NSN 5960-01-423-4240
NSN 5945-01-222-3903
NSN 6130-01-219-5758
NSN 5855-01-622-3894
NSN 5975-00-657-1544
NSN 5998-00-949-0695
NSN 5985-01-411-4387