Special Features:

Bolt and plate mtd; pressure release-tail bottom 2, pressure release-tail top 2, pressure release-head ctr 1, pressure release-head outer 2, tail 1, element 1, head 1, ring-head 1; supplies acoustic energy for sending/receiving sound; two 1/4-20 thd tapped holes 4 in. C to c

Properties:

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a sonar transducer but which in itself is not a complete functioning item and cannot be assigned a more definite item name.