GB/T 42179-2022

Active

MJ 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

Standard Type
GBT
ICS
49.030.30
CCS
V20
Status
Active
Issue Date
2022-12-30
Implementation
2023-04-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

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.

Related Standards

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.