Special Features:

3 ea additional 0.106 in. Diameter holes counterbored to 0.219 in. Diameter by 0.062 in. Deep, holes form a isosceles triangle w/0.437 in. Base and 1.375 altitude

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.