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.
steel comp 304 overall material, astm a276 assn std single material response overall material document and classification, zzzy criticality code justification, cleaning, packaging, and marking iaw mil-std-1330d reference number differentiating characteristics, "valve,angle relief psi, 1/2" x 3/4" ips" end item identification