Part Number: 1311725-4 (No description) Part Number: 1311725-7 (Nut) Part Number: 13117258 (Ne) Part Number: 1311725-9 (Nut) Part Number: 131-1726-01 (Tektronix) Part Number: 131172700 (No description) Part Number: 1311729G1 (Patch assy) Part Number: 131173 (No description) Part Number: 13117305 (Component) Part Number: 13-11733 (Blind spots original pilot ruler) Part Number: 13-11734 (Apr pfd 3 pilot flight desk) Part Number: 131-17400F (Electro film) Part Number: 1311740-1 (Component) Part Number: 131-17401F (Electro film)