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 5945-01-136-5359
NSN 6105-00-969-1669
NSN 5990-00-985-1334
NSN 5920-01-431-8683
NSN 5996-00-683-0674
NSN 5950-00-618-0024
NSN 5990-01-078-1294
NSN 6145-00-583-3940
NSN 5975-01-188-7901
NSN 6650-01-502-6761
NSN 5985-01-433-0384
NSN 5835-01-355-3654