Part Number: 206-040-328-003

Bell model oh-58a and oh-58c helicopters

Steel, mil-s-6758 cond d1 or mil-s-5626 cond d1 or mil-s-5000 cond c4, cadmium-plated qq-p-416 class 3 type 1, dim., 1.250 in. Nom o/a lg, 5.874 in. Nom flange lg, 1.438 in. Nom flange w, 0.170 in. Nom flange thk, 1.125 in. Nom body od, id involute spline data, flat root major diameter fit, 15 teeth, 16/32 diametral pitch, 30.0 degrees pressure angle, 0.9375 in. Pitch dia, 0.8767 in. Min, 0.8817 in. Minor dia, 1.0000 in. Min, 1.0013 in. Max major dia, flange id counterbored 1.160 in. Diameter by 0.210 in. Deep, one mounting hole drilled in flange 0.2512 in. Diameter 1.1719 in. Above and below horizontal centerline