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 5855-01-634-0259
NSN 4140-01-359-2895
NSN 6130-01-502-8271
NSN 5975-01-575-8566
NSN 4140-01-467-6319
NSN 5990-00-172-7951
NSN 6150-01-026-4018
NSN 6130-01-199-0173
NSN 6135-00-851-8575
NSN 6320-01-512-2031
NSN 5950-00-179-2358
NSN 6145-01-135-7754