Home / Standards / GB/T 2878.1-2025 GB/T 2878.1-2025 Active Connections for hydraulic fluid power—Ports with truncated housing and stud ends with metric threads—Part 1: Ports with truncated housing 液压传动连接 普通螺纹斜油口和螺柱端 第1部分：斜油口 Standard Type GBT ICS 23.100.40 CCS J 20 Status 现行 Issue Date 2025-03-28 Implementation 2025-03-28 Responsible Dept 中国机械工业联合会 Drafting Unit N/A