MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Consists of a gyro motor, roll indicator assembly, spherical mask, horizon bar assembly, frame, gimball assembly, actuator assembly, connector, alternate assembly, circuit board assembly, power failue assembly, painted dial lighting assembly, dial window, actuator window, attitude indicatorassy, bezel assembly and instruction plate
