Home / Standards / GB/T 42252-2022 GB/T 42252-2022 Active Test method for torque and preload of aviation threaded collars 航空用高锁螺母力矩及预紧力测试方法 Standard Type GBT ICS 49.030.99 CCS V20 Status 现行 Issue Date 2022-12-30 Implementation 2023-04-01 Responsible Dept 国家标准委 Drafting Unit N/A