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.
mil-s-7720 mil spec all material responses overall material document and classification, steel comp 302 or steel comp 303 or steel comp 303se or steel comp 316 overall material, 0.1100 inches minimum and 0.3000 inches maximum internal keyway depth keyway dimension, 0.2485 inches minimum and 0.2515 inches maximum internal keyway width keyway dimension, 1.0010 inches minimum and 1.0020 inches maximum body outside diameter