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 5935-01-161-1021
NSN 5960-00-009-4381
NSN 5935-01-604-9542
NSN 5905-01-113-7578
NSN 5935-01-569-7783
NSN 6105-00-891-9768
NSN 5985-00-465-3946
NSN 6650-01-068-3997
NSN 5996-01-045-9105
NSN 6620-01-118-7588
NSN 5998-00-056-9239
NSN 5996-01-473-9333