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.
3.0900 inches nominal overall length, 0.3900 inches minimum and 0.4100 inches maximum flange width, qq-p-416,ty 1,cl 3 fed spec single treatment response overall surface treatment document and classification, 1.4930 inches minimum and 1.4980 inches maximum body outside diameter, 4.0000 inches nominal flange outside diameter