1 Advance Notice of Proposed Rulemaking. 2  This optional step entails publishing the agency's initial analysis of the subject matter, often asking for early public input on key issues. 3  Any data or communications regarding the upcoming rule would be made available to the public for review.
Concentricity tolerance zone controls the median points of a feature of size. Concentricity tolerance is a condition in which the axes of all cross-section elements of a featureâs surface of revolution are common to the axis of a datum feature.
Noun. 1. concentricity-the quality of having the same center (as circles inside one another). circularity, disk shape-the roundness of a 2-dimensional figure. eccentricity-a circularity that has a different center or deviates from a circular path. Translations.