Part Number: 12283231 (Spring,helical,comp) Part Number: 12283231A (Hardware) Part Number: 12283233 (Spring helical) Part Number: 122832-4 (Electronic components assembly) Part Number: 12283240 (Plate) Part Number: 12283242 (Gyroscope,rate) Part Number: 12283243-1 (Packing) Part Number: 12283243-2 (Gasket) Part Number: 12283243-3 (Packing) Part Number: 12283244 (Terminal board) Part Number: 12283246 (Conn) Part Number: 12283247 (Spacer) Part Number: 12283248 (Term) Part Number: 1228325 (Gasket)