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。
ticonderoga class cg (47) end item identification, 0.375 radians nominal countersink angle, 0.250 inches nominal countersink diameter, 3.875 inches nominal outside diameter, flat w/o aperture cross-sectional shape style