Counterbore center hole to 0.312 in. Diameter by 0.188 in. Deep, countersink corner holes 120 degrees to 0.140 in. Min, 0.170 in. Max diameter @and tap for no. 4-40 screw thd insert
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.
Classification: Electrical insulators, nesoi
NSN 5945-01-314-5040
NSN 6220-00-342-1086
NSN 5925-01-643-5706
NSN 6620-01-434-6538
NSN 4140-00-464-6278
NSN 5895-01-327-3624
NSN 5915-00-001-9512
NSN 7035-01-017-2702
NSN 5855-01-396-0258
NSN 7035-00-104-5506
NSN 6150-01-086-5719
NSN 5855-01-558-9357