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ISO/DIS 7481

Aerospace — Nuts, self-locking, with maximum operating temperature less than or equal to 425 °C — Test methods ISO/DIS 7481

General information

40.20   DIS ballot initiated: 12 weeks   Aug 21, 2026

ISO

ISO/TC 20/SC 4 Aerospace fastener systems

International Standard

49.030.30   Nuts

Scope

This document specifies test methods for metric self-locking nuts with MJ threads intended for use in aerospace construction at maximum operating temperatures less than or equal to 425 °C. It describes the test device and the method for each test.
It applies to self-locking nuts as defined above, provided that the relevant documents (dimensional standard, drawing, procurement specification, etc.) refer to this document.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 7481:2023

NOW

IN_DEVELOPMENT
ISO/DIS 7481
40.20 DIS ballot initiated: 12 weeks
Aug 21, 2026




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