A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 6645-01-356-2304
NSN 5996-01-198-7707
NSN 5920-01-320-2494
NSN 5999-01-057-7715
NSN 5960-00-337-7628
NSN 5835-01-339-0542
NSN 5925-01-152-4955
NSN 6150-01-140-0027
NSN 5915-01-508-5636
NSN 7035-01-498-2510
NSN 6320-00-194-4252
NSN 6145-01-027-1454