Alum alloy per qq-a-225/9, comp 7075-t6; 3.640 in. Lg by 1.300 in. Diameter o/a; 19 internal involute spline teeth, 1.0400 in. Major diameter by 0.9000 in. Minor diameter by 0.9500 in. Pd by 30.0 degrees pressure angle by 63.0 aa microinch surface finish; 0.190 in. Diameter hole through located two places 0.330 in. From both ends
