DIN EN ISO 6149-1:2022-09
液压流体动力和一般用途的连接 带 ISO 261 公制螺纹和 O 形圈密封的端口和螺柱端 第1部分:带用于 O 形圈密封的截头外壳的端口
Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 1: Ports with truncated housing for O-ring seal (ISO 6149-1:2022); German version EN ISO 6149-1:2022