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 6650-00-388-4517
NSN 6110-00-450-4366
NSN 6135-01-086-8167
NSN 5999-01-097-2434
NSN 6110-01-607-5867
NSN 6130-01-532-3266
NSN 6645-00-809-3540
NSN 5920-00-324-2315
NSN 5920-01-218-6191
NSN 5920-00-081-9156
NSN 5999-01-345-2837
NSN 6150-01-075-5667