Two or more identical or different sizes or types of bearing half, sleeve packaged or grouped together for single issue as a unit, for replacement of worn and/or damaged bearings. See bearing half, sleeve. Excludes:bearing set, sleeve.
crankshaft,main-set of four,two piece half sleeve.minus 0.25mm. special features, nsn:3930-01-599-9978 end item identification, main bearing kit-u/s part name assigned by controlling agency