ISO 5459:2024 Requirements Explained

ISO 5459:2024 requirementsISO 5459:2024 standard overviewISO 5459:2024 compliance checklist

The SN EN ISO 5459:2024 standard provides a comprehensive framework for specifying and understanding datums and datum systems in technical product documentation. Published by the International Organization for Standardization (ISO), it is integral to the field of geometrical product specifications (GPS), facilitating clear communication and precision in engineering drawings and documentation.

SN EN ISO 5459:2024

Geometrische Produktspezifikation (GPS) - Geometrische Tolerierung - Bezüge und Bezugssysteme (ISO 5459:2024)

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

SWISSMEM

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.

Publikation: 2024-10-01146 SeitenICS: 17.040.40

Purpose and objectives

The primary objective of ISO 5459:2024 is to establish a clear and standardized approach to the definition and application of datums in technical documentation. This standard aims to enhance the precision and reliability of geometrical tolerancing, ensuring that products meet required specifications throughout their lifecycle. By defining critical terminology and methodologies, it seeks to minimize ambiguities in engineering practices, thereby improving product quality and interoperability across global industries.

Scope: who must comply

ISO 5459:2024 is applicable to a wide range of industries that engage in technical product documentation, including manufacturing, aerospace, automotive, and electronics. Companies involved in product design, quality assurance, and metrology must adhere to this standard to ensure compliance with geometrical tolerancing requirements. It is particularly essential for organizations that rely on precise measurements and specifications to maintain competitive advantages in global markets, as it provides a common language for engineers and quality inspectors.

How SN EN ISO 5459:2024 relates to other standards

ISO 5459:2024 is part of a broader framework of standards related to geometrical product specifications. It is closely related to:

  • ISO 17450-2: This standard addresses the concepts and principles of geometrical tolerancing, complementing the definitions provided in ISO 5459:2024.
  • ISO 2692: Focused on the general principles of geometrical product specifications, it supports the application of datums as outlined in ISO 5459:2024.

Revision history and current status

ISO 5459:2024 is the latest revision of this standard, published in 2024. This revision includes updates to the definitions and methodologies used to describe datum systems, reflecting advances in metrology and manufacturing practices. Changes also aim to enhance clarity and usability for practitioners in the field. It is crucial for organizations seeking compliance to familiarize themselves with these updates to ensure their documentation practices are aligned with current industry standards.

Last updated: April 15, 2026