Part Number: 1249071-1 (National semiconductor) Part Number: 1249071-9900 (Component) Part Number: 1249072 (Component) Part Number: 12490721 (Ne) Part Number: 1249074-1 (Component) Part Number: 1249079 (Component) Part Number: 124907LD (Switch, rotary) Part Number: 12-490-8 (Power bit holder) Part Number: 12490810 (No description) Part Number: 1249082 (Ball check) Part Number: 124908LB (Switch) Part Number: 124908LC (Switch) Part Number: 1249-09 (Ring) Part Number: 12490911 (Component)