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 6220-01-328-4812
NSN 6685-00-171-4473
NSN 5985-01-475-3590
NSN 2925-00-413-2064
NSN 5945-01-543-6322
NSN 6650-00-483-2853
NSN 6150-01-479-6861
NSN 5990-01-400-2195
NSN 5855-00-688-9954
NSN 6220-01-354-3792
NSN 5930-00-491-6652
NSN 5905-00-403-8844