一種管狀無螺紋物件,一端帶或不帶凸緣,設計用於插入孔中以減小孔的內徑,並保護周圍的主體結構免受應力、應變和/或振動造成的損壞。總長度必須超過外徑的25%,或主體週邊平面之間的最短距離。包括分成兩段或多段的物件,且軸承週邊的旋轉角度不超過180度(3.141弧度)。有關橡膠製品,請參閱非金屬襯套。另請參閱軸承,套筒;錐形襯套;墊片,套筒;絕緣體,襯套;以及電導體襯套。不包括:襯套,鑽頭,夾具。
bushing-id-0.234 min and 0.241 max,od-0.3759 min and 0.3765 max,length 0.201 nominal,flange od-0.490 and flange width 0.060 nominal. style is 22c,nom dia for reamed hole 0.2500 special features, steel corrosion resisting overall material, bushing,sleeve,flanged,press-fit,ream type.0.250-1.750 id-for unclamped installation part name assigned by controlling agency, b-2 bomber aircraft end item identification, square all corners corner shape