BS EN 3904:2017规定了铝合金钢丝锁紧垫圈的特性， 阳极氧化，最高工作温度为120°C，适用于航空航天应用。交叉引用:EN 9100EN 2284prEN 2091-001EN 2090EN 2424prEN 2091-0022购买本文件时可使用的所有现行修订版均包含在购买本文件中。

BS EN 3904:2017 specifies the characteristics of wire locking washers in aluminium alloy, anodized for maximum operating temperature 120 °C for aerospace applications.Cross References:EN 9100EN 2284prEN 2091-001EN 2090EN 2424prEN 2091-002All current amendments available at time of purchase are included with the purchase of this document.