BS EN 4804. Aerospace series. Flange couplings. Swivel flange with 4 fastening holes, in nickel alloy. Inch series
英国标准EN 4804 航空航天系列 法兰联轴器 带4个紧固孔的镍合金旋转法兰 英寸系列
Cross References:EN 2424EN 4814TR 4815EN 4380EN 2662EN 2663EN 3671EN 4379EN 2961EN 4376EN 2407EN 2405EN 4377All current amendments available at time of purchase are included with the purchase of this document.