An item which is part of a sonar dome or sonar transducer and which is so constructed as to afford little attenuation to sonar frequencies while aiding to cut down the water resistance of the part with which it is used.
Classification: Ship' logs and depth-sounding apparatus for navigation
NSN 5985-00-506-0532
NSN 5945-00-965-9819
NSN 6685-01-254-3014
NSN 2925-00-139-3231
NSN 6150-00-834-8795
NSN 6650-00-434-0188
NSN 5915-00-518-0851
NSN 6110-01-144-2832
NSN 5915-00-358-2407
NSN 5935-01-134-9792
NSN 5945-01-431-7743
NSN 2925-01-633-4048