Part Number: 12421 (Nut) Part Number: 124210 (Disc assy) Part Number: 1242100 (Connector) Part Number: 124210000 (Filter element) Part Number: 1242100000 (No description) Part Number: 124-210-0001-01 (Trasistorfield) Part Number: 124-210-0002-01 (Transistor) Part Number: 124210-01 (Bushing-quadrant) Part Number: 124210-03 (Bushing-quadrant) Part Number: 124210-1 (Flap position indicator) Part Number: 124-210-101 (Wood) Part Number: 124-210-105 (Wood) Part Number: 1242101-15 (No description) Part Number: 124210-2 (Flap indicator)