Special Features:

Ealuminum alloy per qq-a-250/5, 58.000 in, 4.000 in. W, 0.040 in. Thk; this item has been determined to be a critical application item. In-flight failure of this item would create a hazardous condition

Properties:

A device of various shapes to be permanently attached to the structure of an aircraft. It is designed to permanently mount and/or support an integral member, or group of members of the airframe in a proper position and bear the stress imposed by the components being supported. It may have mounting provisions, such as slots, holes, and/or attachments to facilitate installation. Excludes items which are primarily designed for dampening shock and/or vibration. Excludes bracket, angle; bracket, double angle; bracket, shelf; bracket, mounting; and bracket (1), structural component, aircraft.