British Standards Institution

Source:: ISO
Committee:: ACE/12 - Aerospace fasteners and fastening systems
Categories:: Nuts
Comment period start date:: 30/04/2025
Comment period end date:: 14/06/2025
Number of comments:: 0

Comment by:

14th Jun

Scope

This International Standard 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 International Standard in the relevant definition document.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

11/02/2025

3. Public Comments

Public Comments start date:

30/04/2025

Public Comments end date:

14/06/2025

Learn more about the standards development process

Standards Development

BS ISO 5858 ISO 5858 Aerospace. Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C. Procurement specification

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