Special Features:

1 hole 0.875 in. Dia; 27 0.188 in. Diameter holes countersunk; 12 holes countersunk and tapped for 0.164-32unjc-3b inserts

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.