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 5998-00-956-2591
NSN 5990-01-582-1977
NSN 5855-00-256-5562
NSN 5915-01-247-7630
NSN 5835-00-387-4759
NSN 6620-00-654-3738
NSN 5925-01-465-7565
NSN 6645-01-456-8021
NSN 5895-00-897-1204
NSN 6135-01-177-3552
NSN 6110-01-038-6709
NSN 6620-01-093-1383