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 6320-00-937-5625
NSN 6645-00-971-2023
NSN 5910-01-430-5009
NSN 5910-00-715-1057
NSN 2925-00-770-4713
NSN 4140-01-295-8264
NSN 5990-01-116-2181
NSN 6220-01-601-2678
NSN 6240-01-497-3085
NSN 5975-01-090-0320
NSN 6150-01-408-5878
NSN 5965-01-240-9228