ark://s2ktbwcp Ocr. tesseract ge ASME Y (Revision of ASME Y) Dimensioning and Tolerancing Engineering Product Definition and Related Documentation Practices AN INTERNATIONAL STANDARD x ASME Y The Y standard is considered the authoritative guideline for the design language of geometric dimensioning and tolerancing (GD&T). Description. The Y standard is considered the authoritative guideline for the design language of geometric ASME Y defines tolerance zones only and therefore reporting any measu