A water buoyant item designed to automatically transmit underwater sound waves for the purpose of providing bearing information and generally used as a navigational aid.
Classification: Ship' logs and depth-sounding apparatus for navigation
NSN 5910-01-618-0386
NSN 5920-00-438-4973
NSN 6105-01-175-0905
NSN 6240-01-518-3401
NSN 5895-00-622-0022
NSN 5945-01-624-0305
NSN 5895-01-579-3889
NSN 5910-00-702-2994
NSN 5996-00-320-2798
NSN 5910-01-462-5775
NSN 5920-00-611-6728
NSN 6650-00-891-9850