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.
acft eng tf 41 end item identification, steel comp m50 overall material, grade 10 assn std single material response overall material document and classification, 0.6876 inches nominal rolling element diameter, ball style designator