A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 4140-00-222-2186
NSN 6610-00-737-0864
NSN 4140-01-604-9652
NSN 5965-01-378-6937
NSN 5960-01-563-4797
NSN 5990-01-411-5930
NSN 5985-01-511-2992
NSN 5895-01-303-5770
NSN 6150-01-335-0679
NSN 7035-00-500-7839
NSN 5915-00-647-2312
NSN 5835-01-310-8979