An item designed to be used with a sonar hydrophone or transducer to minimize sound pick-up from undesired directions.
Classification: Parts & accessories for direction finding compasses and other navigational instruments and appliances
NSN 6650-00-226-6638
NSN 5935-01-600-8547
NSN 5998-01-355-8537
NSN 5930-01-335-0379
NSN 5945-00-146-4177
NSN 5965-01-391-1703
NSN 6610-01-112-0447
NSN 5835-01-054-7992
NSN 6620-00-804-8272
NSN 5920-00-620-3280
NSN 5996-00-883-9863
NSN 6610-01-585-9255