管狀物件,帶或不帶凸緣,旨在減少摩擦,並在平行於孔軸線的表面上承載動載荷。必須具有可見或可檢測的潤滑裝置,或可自潤滑。總長度必須超過外徑的25%或本體週邊平面之間的最短距離,但直管狀(無凸緣或肩部)物體除外,其承載面僅平行於孔軸線。包括分成兩段或多段,且承載圓週角不超過180度(3.141弧度)的物件。另請參閱襯套、套筒;墊片、套筒;以及墊圈(經修改)。不含:銷、空心。
1.9925 inches minimum and 2.0075 inches maximum overall length, 30.0 rockwell h minimum and 70.0 rockwell h maximum overall hardness rating, square all corners corner shape, 1.7515 inches minimum and 1.7530 inches maximum body inside diameter, 2.0025 inches minimum and 2.0040 inches maximum body outside diameter
NSN | 姓名 | 日期 |
---|---|---|
3120-00-294-0941 | No Name Available | 10/07/1972 |