Y14 Standards Discover our full collection of Y14 standards that guide you across product development. There are some interesting changes to the standard, many of which are insignificant, but a few changes are important. When reference is made in this standard to a part drawing, it applies to any form of product specification. The definitions established in this standard apply to product specifications in any representation, including drawings, electronic exchange formats, or data bases.
Any direct references to other documents are identified by an immediate citation. Tolerances of Form Straightness Flatness Circularity Cylindricity (ASME Y14.5M-1994, 6.4.1) (ASME Y14.5M-1994, 6.4.3) (ASME Y14.5M-1994, 6.4.2) (ASME. All such quotations are identified by italicized type. Textual references are included throughout this standard which are direct quotations from ASME Y14.5m-1994. : Dimensioning and Tolerancing: ASME Y14.5M-1994 (Engineering Drawing and Related Documentation Practices): 9780791822234: The American Society of. While the general format of this standard parallels that of ASME Y14.5m-1994, the latter document should be consulted for practices relating to dimensioning and tolerancing for use on engineering drawings and in related documentation. This standard presents a mathematical definition of geometrical dimensioning and tolerancing (GD&T)consistent with the principles and practices of ASME Y14.5m-1994, enabling determination of actual values. ASME Y14.5 is a standard published by the American Society of Mechanical Engineers (ASME) to establish rules, symbols, definitions, requirements, defaults.