Special Features:

Five holes, center hole 0.500 in. Diameter with one flatted side, four holes 0.120 in. Dia

Properties:

An insulator having flat surfaces, with or without holes, whose thickness does not exceed 25 percent of its length or width, whichever is smaller, and whose shape is other than round. Excludes insulator (1), spacer; insulator (1), washer; mounting pad, electrical-electronic component; plate, electrical shield; and terminal board.