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 6645-01-361-2495
NSN 4140-01-067-8242
NSN 5990-00-269-2226
NSN 6320-01-399-1633
NSN 5915-01-538-0384
NSN 5960-01-604-1158
NSN 5999-01-496-4192
NSN 4140-00-296-8978
NSN 6105-01-271-4922
NSN 5905-00-552-8381
NSN 6645-01-158-3592
NSN 6135-01-312-1040