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:

An item which incloses an antenna. It is specifically designed to permit maximum passage of radio frequency energy through it, while providing protection to the antenna from weather. The item may also inclose the antenna support, and rotating mechanism. It may be flexible or rigid, streamlined or irregular shaped. May also include pressurizing mechanism and anti-icing or de-icing equipment. See also cover, antenna element.