Parts list: № Number Qty Name Options 1 14M7400 4 Lock Nut M10 2 19M8751 4 Screw M10 X 16 Next page: ST974989 Seat, Lower Part, Mechanically Suspended, W/ Armrest, W/O Weight Adjustment ST974856 Seat, Heavy Duty, Air Suspended, W/ CommandARM™, Automatic Weight Adjustment ST979214 Suspension For Instructional Seat, Attachment ST983294 Instructional Seat, Non-Suspended ST979213 Instructional Seat, Non-Suspended, Attachment ST974848 Seat, Lower Part, Heavy Duty, Air Suspended, Automatic Weight Adjustment ST974859 Seat, Upper Part, Heavy Duty, Air Suspended, W/ CommandARM™, Automatic Weight Adjustment ST974844 Seat, Upper Part, Heavy Duty, Air Suspended, W/ Armrest, Automatic Weight Adjustment ST983302 Instructional Seat, Suspended ST974866 Seat, Mechanically Suspended, W/ Armrest, W/O Weight Adjustment