Fairchild TD7800-401 Electro-Magnetic Transducer 6695-01-450-8644 Motional Pickup

NOS Fairchild Electro-Magnetic Transducer. Part numbers TD7800-401,T7800 I/P, TD-7800-401. Never used, removed from a spare US Navy control panel that has been parted out for components. NSN 6695-01-450-8644. Includes a couple of Parker -4 fittings and a steel mounting bracket. Current list on this component is $666.22. GTBD22