A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6240-01-592-4068
NSN 5835-01-396-0640
NSN 5920-01-558-4552
NSN 5915-01-445-6577
NSN 6135-00-196-5267
NSN 6240-00-246-7242
NSN 5905-01-581-2170
NSN 5998-01-081-6046
NSN 6130-01-359-5613
NSN 6240-01-599-2679
NSN 5950-00-259-5807
NSN 6110-00-553-1853