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。
2.4409 inches minimum and 2.4414 inches maximum counterbore diameter, 0.479 inches minimum and 0.480 inches maximum counterbore depth, counterbored w/o aperture cross-sectional shape style, 2.980 inches minimum and 3.020 inches maximum outside diameter, acft eng f-101 end item identification