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。
zzzy criticality code justification, 81349-mil-i-45208 government specification and 96906-mil-std-278 government standard and 96906-mil-std-129 government standard and 81349-mil-p-23199 government specification and 80204-ansi-b46.1 professional/industrial association standard and 96906-mil-std-248 government standard and 81348-qq-s-763/cl 304l/cond a/ government specification specification/standard data, material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics, steel comp 304l overall material, qq-s-763/cl 304l/cond a fed spec single material response overall material document and classification