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 6220-01-101-9721
NSN 5960-00-714-2303
NSN 6685-01-197-7386
NSN 6135-00-880-1026
NSN 6645-01-125-6811
NSN 6320-00-445-1187
NSN 5998-01-366-7475
NSN 6240-01-165-2693
NSN 6150-01-118-1944
NSN 5985-01-481-8861
NSN 6685-00-551-6139
NSN 6320-01-513-9166