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 6130-01-457-6897
NSN 5915-00-503-0783
NSN 6130-01-440-7591
NSN 5910-00-051-6246
NSN 6220-01-071-8437
NSN 6320-01-564-0893
NSN 5910-01-413-5866
NSN 5985-01-423-7984
NSN 6240-01-141-5230
NSN 5960-01-245-6088
NSN 5910-00-599-7142
NSN 5935-01-324-8020