Part Number: 35-82506 (Knee assy)Part Number: 404-188408 (Knee assy)Part Number: 45-815012 (Knee assy)Part Number: 45-815015-2 (Knee assy)Part Number: 4-815015-6 (Knee assy)Part Number: 50-810295-2 (Knee assy)Part Number: 50-810295-25 (Knee assy)Part Number: 50-810295-29 (Knee assy)Part Number: 50-810295-9 (Knee assy)Part Number: 50-810323 (Knee assy)