Part Number: 0812975-6 (Lh aft single seat) Part Number: 0812976-18 (Frame) Part Number: 0812976-20 (Frame) Part Number: 0812976-30 (Frame) Part Number: 0812977-1 (Nut) Part Number: 0812978-1 (Washer armrest) Part Number: 0812978-2 (Washer) Part Number: 0812978-3 (Washer) Part Number: 0812978-8 (Cessna 310 l/h ib middle seat tr) Part Number: 0812978-9 (Cessna 310 l/h ob middle seat tr) Part Number: 0812980-15 (Web) Part Number: 0812980-6 (Back seat) Part Number: 0812981-1 (Cessna 310i 3rd seat) Part Number: 0812981-15 (Support)