Special Features:

Matl al alloy, qq-a-250/12, t6; 4.940 in. Lg; two holes in line 0.627 in. Dia; bottom 4.340 in. Lg w/three holes, 0.250 in. Dia; sides, 4.750 in. Lg, 1.540 w. Chamfer four places 0.440 by 45 deg; bushing p/n 4f73753-103a intwo places; used as fitting on visor door track waterline 218.31, fs322.82

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.