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 5965-01-417-3211
NSN 6130-00-225-1288
NSN 6685-01-504-9486
NSN 5855-00-610-4052
NSN 6685-01-656-9285
NSN 6685-00-409-4970
NSN 5920-01-459-7316
NSN 5950-01-392-1895
NSN 5935-01-468-7840
NSN 5910-01-603-8689
NSN 4140-01-356-5614
NSN 2925-01-424-0235