Part Number: 138740-1 (Horizontal situation ind) Part Number: 138740-15 (Horizontal situation indicator) Part Number: 138740-17 (Indicator, horizontal situation) Part Number: 138740-19 (Horizontal situation indicator) Part Number: 138740-23 (Horizontal situation indicator) Part Number: 13874-0233 (Ne) Part Number: 138740-25 (Horizontal situation indicator) Part Number: 138740-5 (Indicator horizoint) Part Number: 138740-9 (Indicator) Part Number: 138741 (Gearshaft) Part Number: 138741-007 (Screw) Part Number: 138741-01 (Transistor) Part Number: 138741-024 (Screw) Part Number: 1387-411 (Diffuser)