Part Number: 113-13-019 (Housing) Part Number: 1131303 (Pinion) Part Number: 1131304 (Pinion) Part Number: 113-13-05M3C (Ne) Part Number: 1131306 (Gear shaft spur) Part Number: 11313061 (No description) Part Number: 11313063 (No description) Part Number: 11313065 (No description) Part Number: 11313073 (No description) Part Number: 11313074 (No description) Part Number: 1131309 (Reamer chucking siz) Part Number: 113131 (Arm actua) Part Number: 11313100-52 (Seal) Part Number: 11313100-57 (Seal)