A homogenous spherical body, a series of which provides the rolling elements in a bearing, ball (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes:ball,check; ball,valve,ported.
(inavy) bearing,ball part name assigned by controlling agency, fighter aircraft-first (f18 e/f) end item identification, agav criticality code justification, copper retainer material, steel corrosion resisting ball material