ISO 5858:2026 PDF

Name: ISO 5858:2026 — Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Procurement specification
SKU: ISO 5858:2026
Price: 25 EUR
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Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Procurement specification

Название (английский):

ISO 5858:2026

Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Procurement specification

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 30
Дата публикации:: 21 мая 2026 г.
Издание:: ISO IS 5858 edition 3 version 1
ICS:: 49.030.30

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Описание (английский):

This document specifies the required characteristics for metric self-locking nuts, with MJ threads, for use in aerospace construction at a maximum temperature less than or equal to 425 °C. It is applicable to nuts as defined above, provided that reference is made to this document in the relevant definition document.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 5858:2026 is an international standard developed by ISO, focusing on the procurement specifications for self-locking nuts used in aerospace applications. This document sets out the required characteristics for metric self-locking nuts with MJ threads, specifically designed for use in aerospace assemblies where the maximum operating temperature is less than or equal to 425 °C. Ensuring the safety, reliability, and durability of fastening systems in demanding aerospace environments is critical, and ISO 5858 provides detailed procurement and quality assurance requirements to achieve this.

Key Topics

Scope and Application: ISO 5858:2026 applies to metric self-locking nuts intended for aerospace construction, ensuring interoperability and consistency when referenced in relevant definition documents.

Quality Assurance and Compliance: The standard outlines procedures for manufacturer approval, product qualification, and production acceptance. Emphasis is placed on maintaining robust quality management and statistical process control, all under the manufacturer's responsibility.

Terminology and Definitions: Terms such as finished nut, production batch, qualification inspection, self-locking torque, wrench torque, and reliability requirements are clearly defined to standardize understanding across the industry.

Technical Requirements: ISO 5858:2026 specifies essential characteristics such as:

Material types and quality
Microstructure, surface conditions, coatings, and corrosion resistance
Hardness and non-magnetism for certain alloys
Dimensional tolerances and thread conformity
Performance under axial loads and torque requirements

Testing and Inspection: Procedures for spectrographic analysis, micrographic inspection, hardness measurement, torque testing, corrosion resistance (including salt spray tests), and adherence to strict acceptance criteria are defined.

Applications

Aerospace Construction: The standard is most relevant for manufacturing and procuring self-locking nuts used in assemblies subjected to mechanical and thermal stresses, such as aircraft fuselages, wings, engines, and other critical structures.

Supplier Qualification: Aircraft manufacturers, subcontractors, and suppliers use ISO 5858 to demonstrate procurement compliance, ensuring that components meet strict aerospace standards.

Quality Control & Process Optimization: Incorporating ISO 5858 supports quality control programs and helps in achieving process optimization through statistical process control (SPC), reducing variability and enhancing reliability.

Regulatory and Contractual Compliance: ISO 5858 is widely referenced in contracts and regulatory documents within the aerospace sector, serving as a baseline for audits and product acceptance throughout the supply chain.

Related Standards

Organizations and professionals applying ISO 5858:2026 should also consider referencing related international standards to ensure comprehensive compliance:

ISO 7481: Aerospace - Nuts, self-locking, test methods

ISO 5855-2: Aerospace - MJ threads - Limit dimensions for bolts and nuts

ISO 691: Assembly tools for screws and nuts - Tolerances for wrench and socket openings

ISO 9227: Corrosion tests in artificial atmospheres - Salt spray tests

ISO 1463 / ISO 21920-3: Measurement of coating thickness and surface texture

ISO 3887: Steels - Determination of the depth of decarburization

ASTM E1417 & E1444: Standard practices for non-destructive testing

Summary

ISO 5858:2026 plays a vital role in the aerospace industry by providing comprehensive procurement specifications for self-locking nuts operating at elevated temperatures up to 425 °C. Adherence to this standard ensures high-quality, reliable fastening solutions essential for aircraft safety and performance. Manufacturers, suppliers, and aerospace engineers can rely on ISO 5858 to meet stringent quality benchmarks, streamline procurement, and maintain compliance throughout the aerospace supply chain.

ISO 5858:2026 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Summary

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