ISO 5459:2024

Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems

This document specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. This document also provides explanations to assist the user in understanding the concepts involved.

This document defines the specification operator (see ISO?17450-2) used to establish a datum or datum system. The verification operator (see ISO?17450-2) can take different forms (physically or mathematically) and is not the subject of this document.

NOTE??????????? The detailed rules for maximum and least material requirements for datums are given in ISO?2692.

Edition	2024
Published Date	2024
Published By	International Standardization Organisation
Page Count	115