ISO 9974-2:1996 通用和液壓傳動用聯接件 帶ISO 261彈性螺紋或金屬-金屬密封的氣門和雙頭螺栓端頭 第2部分:彈性密封的雙頭螺栓端頭(E型)
Connections for general use and fluid power - Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 2: Stud ends with elastomeric sealing (type E)