安裝在軸承和軸承座之間的剛性管狀物,主要設計為軸承座內壁內的可更換磨損表面。
materaal shall be steel resulfurized,aisi 4140 hardened and temperized;0.5344 in. long,2.833 in. o.d.,2.504 in. i.d. of internal flange,2.647 in. min 2.650 in. max bore diam,0.125 in. length of external flange;designed for bearing w/o.d. 2.5774 in. general characteristics item description, f-16 acft end item identification