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.
PUBLISHED
ISO 7481:2023
IN_DEVELOPMENT
ISO/DIS 7481
40.00
DIS registered
Jun 19, 2026