Part Number: 12400-1A-A1 (Vertical gyro control)Part Number: 12401-1A-E1 (Vertical gyro control)Part Number: 12401-1B-A1 (Vertical gyro control)Part Number: 12401-1F-B2 (Vertical gyro control)Part Number: 12402-1A-E1 (Vertical gyro control)Part Number: 12402-1B-A1 (Vertical gyro control)Part Number: 615039 (Vertical gyro control)