Special Features:

Cthere are two 1/4-20 threaded holes on the top side and two more on the opposite side, these are to accommodate a helical coil insert each; there is also a 0.650 inch radius on one side, width wise

Properties:

A tray or racklike item designed to provide a supporting surface to which electrical/electronic equipment may be secured when installed in aircraft, vehicles, or other types of mobile equipment. It may be equipped with shock or vibration isolation devices and/or wires, cables, terminal boards, connectors, etc. Excludes base, electrical equipment rack and mount, resilient. See also rack, electrical equipment.