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.
c-130 acft end item identification, mil-s-7420 mil spec single material response overall material document and classification, ball style designator, steel comp e52100 overall material, 0.1889 inches minimum and 0.1891 inches maximum rolling element diameter