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 5996-00-597-2234
NSN 5895-01-220-4000
NSN 5950-01-509-3603
NSN 6620-00-186-8220
NSN 6135-00-819-8074
NSN 6220-00-187-6072
NSN 5950-01-361-4933
NSN 6645-01-466-9477
NSN 6105-01-365-9476
NSN 6320-01-397-9995
NSN 6110-01-472-2504
NSN 6150-00-565-6950