SR EN ISO 5459:2024

Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2024)

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.

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General information

Status : Valid
Approval date : 11/29/2024
Number of pages : 128
ICS : 17.040.40 Geometrical Product Specification (GPS)
Technical Committee : 58 - Metrology

Relations with other standards:

Replaces SR EN ISO 5459:2012