Special Features:

Plate is triangular shape with one side curved with a radius of 4.200 in., 1 tab on each flat side w/center hole in tab 0.140 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.