GB/T 42179-2022
ActiveMJ thread spline-drive self-locking nuts for aerospace
航空航天用MJ螺纹十二角花键自锁螺母
Application Summary AI generated
This standard specifies the dimensions, materials, and performance requirements for self-locking nuts with MJ threads and twelve-point spline drives used in aerospace applications. It is applied in the assembly of aircraft and spacecraft structures, particularly in high-vibration environments where secure fastening is critical, such as engine mounts, landing gear, and control surface attachments. The standard ensures interchangeability and reliability of these fasteners across Chinese aerospace manufacturing and maintenance operations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.