C/o component qty, 3; coupling, drive, pump 0.330 in. Min, 0.333 in. Max sq; rotor pump 1st end 0.405 in. Min, 0.410 in. Max id; 0.8735 in. Min, 0.8740 in. Max od; 2nd end 0.1875 in. Nom id; 0.375 in. Nom od; 1.441 in. Min, 1.444 in. Max o/a l; 4 slots 0.0737 in. Min, 0.0747 in. Max l equally spaced