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。
qq-c-390 fed spec all material responses overall material document and classification, copper alloy 820 or copper alloy 824 or copper alloy 825 or copper alloy 826 or copper alloy 827 or copper alloy 828 or copper alloy 836 or copper alloy 838 or copper alloy 842 or copper alloy 844 or copper alloy 848 or copper alloy 852 or copper alloy 854 or copper alloy 855 or copper alloy 857 or copper alloy 861 or copper alloy 862 or copper alloy 863 or copper alloy 864 or copper alloy 865 or copper alloy 868 or copper alloy 872 or copper alloy 874 or copper alloy 903 or copper alloy 905 or copper alloy 907 or copper alloy 910 or copper alloy 913 or copper alloy 916 or copper alloy 922 or copper alloy 923 or copper alloy 925 or copper alloy 927 or copper alloy 932 or copper alloy 934 or copper alloy 935 or copper alloy 937 or copper alloy 938 or copper alloy 939 or copper alloy 940 or copper alloy 941 or copper alloy 943 or copper alloy 947 or copper alloy 948 or copper alloy 952 or copper alloy 953 or copper alloy 954 or copper alloy 955 or copper alloy 957 or copper alloy 958 or copper alloy 962 or copper alloy 964 overall material