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 6685-01-222-8140
NSN 6610-01-428-3587
NSN 5998-01-554-7989
NSN 5905-01-601-8114
NSN 5910-01-430-0017
NSN 5905-01-415-2474
NSN 5990-01-064-9994
NSN 5998-00-686-2152
NSN 2925-00-115-5857
NSN 5965-01-313-1544
NSN 5985-01-335-5570
NSN 5915-00-448-7070