Special Features:

Items are being coded as critical to insure source inspection will be performed at the point of manufacture, prior to material receipt by the us navy or other dod components. These items are piece parts or end items in support of vital military hardware necessary to sustain the successful mission of the ships, submarines, and shore stations of the us navy. Critical features including, but not limited to, dimensions, tolerances/clearances, electronic characteristics, and metallurgical properties will bespecified for government q ar (quality assurance representatives) to insure the highest possible degree of quality and reliability of these parts being delivered under navicp contracts

Properties:

A flat torpedo component made of deformation-resistant material, which is fixed to the outside in parallel to the longitudinal axis of the torpedo. It is attacked by the wake inflow/wake current when the torpedo is in motion and is designed to damp/prevent the roll and to stabilize the straight run of the torpedo. For pivoted/shivel-mounted flat torpedo components designed to generate pitching and/or yawing motions see rudder, torpedo.