Part Number: 0127999432520 (Modification kit) Part Number: 0127999442520 (Modification kit) Part Number: 012799T (Component) Part Number: 01279-PM (Altitude preselect) Part Number: 01279-PX (Altitude preselector) Part Number: 0127A (No description) Part Number: 0127A2 (Component) Part Number: 0127A2B2 (Abc) Part Number: 0127A2B25 (No description) Part Number: 0127A2-B3 (No description) Part Number: 0127A2B6 (No description) Part Number: 0127A7262NP6 (Component) Part Number: 0127A8380P1 (Spring ea03497) Part Number: 0127A8380P2 (Spring)