A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5975-01-044-0523
NSN 5985-00-810-7154
NSN 6685-00-756-1662
NSN 6645-01-162-8023
NSN 4140-01-138-4889
NSN 2925-01-583-5619
NSN 6650-01-329-6350
NSN 5960-01-233-2756
NSN 5950-01-563-3890
NSN 5999-00-803-5569
NSN 5975-00-103-6653
NSN 4140-01-163-3724