A component which determines the mode of operation of a intercommunication set.
Classification: Electric sound amplifier sets
NSN 5999-01-148-8692
NSN 6620-00-035-5813
NSN 5990-01-113-8121
NSN 5985-00-263-2469
NSN 5965-01-441-9505
NSN 6320-01-501-7935
NSN 6620-01-202-7415
NSN 6145-00-586-9463
NSN 5915-01-424-8648
NSN 6135-01-299-7252
NSN 6320-01-583-6809
NSN 5990-00-542-6838