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。
acft eng f-101 end item identification, 2.953 inches nominal aperture diameter, counterbored w/ aperture cross-sectional shape style, 0.640 inches minimum and 0.665 inches maximum counterbore depth, 2.680 inches minimum and 2.720 inches maximum counterbore diameter