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 5905-01-461-7915
NSN 7035-00-150-2379
NSN 5935-01-311-8384
NSN 5855-01-273-1971
NSN 5945-01-626-4129
NSN 6650-00-287-5868
NSN 5925-01-592-8115
NSN 6145-01-216-8291
NSN 5998-00-127-7663
NSN 6135-00-985-7846
NSN 6135-01-449-0625
NSN 5999-01-189-9677