A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5990-01-248-5294
NSN 5990-01-027-1869
NSN 5998-01-340-7982
NSN 6105-01-089-4956
NSN 5975-00-516-0603
NSN 6135-01-611-0125
NSN 5999-01-013-3880
NSN 5895-00-918-0233
NSN 5945-01-223-9598
NSN 5998-01-242-2623
NSN 5945-00-001-3916
NSN 5910-01-350-5652