A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.
0.4375 inches minimum and 0.4380 inches maximum body inside diameter, square all corners corner shape, 40.0 rockwell c minimum and 43.0 rockwell c maximum overall hardness rating, 0.3450 inches minimum and 0.3500 inches maximum overall length, 0.6235 inches minimum and 0.6240 inches maximum body outside diameter