Absolute Gage Tolerancing (pessimistic tolerancing). A policy of tolerancing gages that insures the complete random interchangeability of parts to assemble by applying the gagemaker's tolerances, the wear allowances, the measurement uncertainties and the form controls-all within the workpiece limits of size. This policy featured for GO and NOGO gages by the ASME Y14.43 standard on Dimensioning and Tolerancing Principles for Gages and Fixtures.

Actual Local Size. The value of any individual distance at any cross section of a feature.

Actual Mating Envelope. For an external feature of size, it is the perfect feature counterpart that is the smallest size that...