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 6145-00-099-8986
NSN 6150-00-910-3934
NSN 6145-01-009-0362
NSN 6320-01-562-1599
NSN 5915-01-546-2219
NSN 5999-01-137-6657
NSN 2925-01-430-4206
NSN 6130-00-119-3149
NSN 5915-01-453-4298
NSN 5975-00-320-3150
NSN 6650-01-439-8647
NSN 6135-01-167-7604