ISO 6149-2:1993
用于流體傳動和一般用途的管接頭 帶ISO 261螺紋和O形圈密封的油口和螺紋端頭 第2部分:重型(S系列)螺柱端頭 尺寸、型式、試驗方法和技術要求
Connections for fluid power and general use; ports and stud ends with ISO 261 threads and O-ring sealing; part 2: heavy duty (S series) stud ends; dimensions, design, test methods and requirements