GB/T 46557-2025

Upcoming

Bihexagonal self-locking nuts with counterbore and MJ threads for aerospace

航空航天用带沉头窝的MJ螺纹十二角自锁螺母

Standard Type
GBT
ICS
49.030.30
CCS
V20
Status
Upcoming
Issue Date
2025-12-02
Implementation
2026-07-01
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 bihexagonal self-locking nuts with counterbore and MJ threads, designed for high-stress aerospace fastening applications. It is applied in the assembly of aircraft structures, engines, and critical systems where resistance to vibration and secure locking under extreme temperatures and loads are essential. The standard ensures interchangeability and reliability in both manufacturing and maintenance of aerospace components.

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.