All the components and items required to operate an electromechanical echo ranging system specifically designed to provide the dual functions of propagating underwater sound energy and of intercepting and presenting intelligence from the reflected portion of the transmission. Secondary functionsmay include underwater communication, listening, monitoring own ship's noise, mine and torpedo detection, depth sounding and the like. For items specifically designed for depth determination, see sounding set, sonar. See also sound ranging set; communication set, sonar and receiver-transmitter, sonar.
Classification: Parts & accessories for direction finding compasses and other navigational instruments and appliances
NSN 6130-01-499-0046
NSN 2925-01-646-9112
NSN 5975-01-472-4530
NSN 6610-01-245-8015
NSN 5975-01-172-2322
NSN 6130-01-506-5567
NSN 6240-00-480-7896
NSN 6685-01-583-2885
NSN 5996-00-822-8182
NSN 5990-00-062-9483
NSN 6110-01-041-5986
NSN 5975-01-423-1326