Steel, ams 6371, composition 4130, heat treat to rockwell c scale28/32 per mil-h-6875, cadmium plated finish per qq-p-416, type ii, class 2, 10.00 in. Lg, 2.5495 in. Min, 2.5500 in. Max major dia, 0.750 in. W of gear teeth, 50 teeth, 2.250 in. Diameter of spline both ends, 2.0211 in. Min, 2.0289 in. Max id, 4.625 in. From end of sleeveto gear teeth, 1.63 in. Lg spline both ends, 2.140 in. Diameter between splineand gear teeth, paint an 0.06 in. Wide black strip on both 2.140 in. Diatimed to a gear groove within plus of minus 2 degrees, c-5a acft
