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 4140-00-244-2365
NSN 5925-00-752-0371
NSN 7035-01-364-0286
NSN 5920-00-184-2058
NSN 5915-00-823-8334
NSN 6620-01-386-5914
NSN 5950-01-565-3068
NSN 6610-01-398-1094
NSN 5950-01-506-2675
NSN 5935-01-278-5854
NSN 6650-01-229-4224
NSN 5998-01-204-4176