A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5945-01-072-5721
NSN 5925-00-601-3126
NSN 5905-01-625-6535
NSN 6610-00-060-0871
NSN 2925-01-019-8735
NSN 6135-01-339-8064
NSN 5999-01-100-3665
NSN 6145-01-084-3178
NSN 6220-01-140-2761
NSN 4140-01-631-1896
NSN 5996-01-166-5716
NSN 6685-01-040-2238