A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5990-00-916-3975
NSN 6610-00-661-1797
NSN 6135-00-643-4843
NSN 6220-01-156-4564
NSN 5950-01-197-2926
NSN 5960-00-898-8028
NSN 5985-01-387-3652
NSN 5990-01-529-6347
NSN 5935-00-646-8792
NSN 6110-00-163-6223
NSN 6320-01-462-3555
NSN 6620-00-286-5721