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 6105-01-408-6859
NSN 5960-00-715-9227
NSN 6145-00-954-4568
NSN 5998-00-596-9568
NSN 6610-00-564-6759
NSN 5975-01-261-5996
NSN 5835-01-431-6877
NSN 5950-00-132-4394
NSN 5998-01-263-8033
NSN 6320-01-067-0474
NSN 6105-00-906-3491
NSN 5996-01-043-2105