A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 4140-00-196-7139
NSN 7035-01-366-5912
NSN 5930-01-483-4553
NSN 6110-01-430-0314
NSN 6110-00-338-6483
NSN 5930-01-540-1384
NSN 5920-00-690-1930
NSN 5965-01-005-0341
NSN 5960-00-275-7497
NSN 5930-01-446-5607
NSN 6220-01-425-2634
NSN 5920-01-394-9515