A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6135-01-486-1443
NSN 6650-01-598-2655
NSN 6130-01-392-1470
NSN 5920-01-401-5315
NSN 6145-01-505-1897
NSN 5960-01-433-7565
NSN 5950-00-238-2260
NSN 6645-01-314-2889
NSN 6650-01-154-1870
NSN 5985-01-228-0530
NSN 6220-00-287-9939
NSN 5975-00-322-9865