A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5950-00-608-9131
NSN 5960-00-379-4466
NSN 6610-00-156-5699
NSN 6620-00-833-6786
NSN 5990-00-719-4947
NSN 4140-01-258-6685
NSN 6135-01-463-2445
NSN 5965-01-199-8362
NSN 7035-01-145-5059
NSN 5996-00-267-1139
NSN 6150-00-278-1294
NSN 5945-01-422-1684