Special Features:

Matl-al alloy, comp 6061-t651 per qq-a-250/11; finish-chromate per mil-c-5541, cl 3 and 2 coats zinc chromate primer per tt-p-1757 except on mtg surface; used to mount beams; 6.570 in. Lg, 5.000 in. W and 1.970 in. Thk, irregular shape; has 9 mtg holes 0.190 in. Dia, 6 through mtg surface

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.