Part Number: 0A161-0087-17 (Seal rubber) Part Number: 0A1624HCE7 (Bearing) Part Number: 0A163-0001A (Seatcrew observer rh) Part Number: 0A163-0011A (Basestructure) Part Number: 0A163-0013 (Column and carrier assy) Part Number: 0A163-0015A (Column and base assy) Part Number: 0A163-0017A (Base and electrics assy) Part Number: 0A163-0019A (Assy seat pan structure) Part Number: 0A163-0021A (Seat pan mech assy) Part Number: 0A163-0025A (Back structure assembly) Part Number: 0A163-0027A (Back structure mech assy) Part Number: 0A163-0029A (Assy upper seat) Part Number: 0A163-0031A (Seat assy) Part Number: 0A163-0045 (Cushion)