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 6145-00-317-2087
NSN 5905-01-395-1760
NSN 5920-01-453-7040
NSN 5965-01-186-2051
NSN 5930-00-823-4791
NSN 5910-01-656-7420
NSN 5835-01-116-2369
NSN 5965-00-267-4173
NSN 6645-01-286-3378
NSN 6650-00-901-4914
NSN 5855-01-425-1330
NSN 5920-01-145-5362