DIN EN 4531-004-2008 航空航天系列.螺纹环连接的单、双插脚式圆形光学连接器.冲水连接器.第004部分:锁紧螺母安装的插座.产品标准
Aerospace series - Connectors, optical, circular, single and multipin, coupled by threaded ring - Flush contacts - Part 004: Jam nut receptacle - Product standard; German and English version EN 4531-004:2007