A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 2925-01-161-7440
NSN 6685-01-506-9553
NSN 4140-00-555-3856
NSN 5996-01-573-6931
NSN 5895-01-608-7431
NSN 6645-00-761-7256
NSN 5950-00-959-6938
NSN 5930-01-503-1892
NSN 6620-00-553-8854
NSN 5990-01-529-7307
NSN 5996-00-575-6241
NSN 5925-00-647-3469