一種相對扁平的剛性部件,帶或不帶中心孔,用於將環形軸承或套筒軸承固定在合適的外殼中。必須附有用於安裝的鑽孔和/或螺紋孔。不含:端蓋、電動旋轉設備。
hinge ballistic door, 25lbs & above (exterior & interior) end item identification, 0.1250 inches nominal overall thickness, qq-b-637 fed spec single material response overall material document and classification, 2.2812 inches nominal aperture diameter, flat w/aperture cross-sectional shape style