A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 4140-01-469-2266
NSN 5905-01-374-1076
NSN 5996-01-633-0192
NSN 6135-01-377-5729
NSN 5935-01-526-4729
NSN 5990-01-160-6978
NSN 5905-00-090-2439
NSN 5920-01-462-3181
NSN 5985-00-552-4626
NSN 2925-01-068-3844
NSN 5930-00-835-1791
NSN 5835-01-131-2027