From ASME-Y14.5, a regular feature of size is defined as "one cylindrical surface, a spherical surface, a circular element, or a set of two opposed parallel line elements or opposed parallel surfaces associated with a single directly toleranced dimension". Is the following a regular feature of size? draft

Does this qualify as a "circular element" thus making it a regular feature of size?

  • $\begingroup$ Looks like 6 concentric circular elements to me. Depending on the function of the surfaces, they may require e.g. a concentricity tolerance. $\endgroup$ – Jonathan R Swift Jul 23 '20 at 0:39

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