The item consists of a spur gear, with an involute tooth form as per ASA B6.7, and a pressure angle of 20 degrees. The pitch diameter is 64 inches, with 62 teeth, and the outside diameter is 1.000 inch, with a maximum outside runout of .001 inch. The pitch diameter is also 0.9687 inches, resulting in a pitch radius of 0.48435 inches; a W/A flange has dimensions of 0.692 inch in length, 0.376 inch in width, and 0.200 inch in thickness; and a shaft made from 1.25 diameter CRES RD bar per QQ-S-764, with condition A and composition 303.