Part Number: 1399866 (Component) Part Number: 139987-01-01 (Gyroscopeintegrat) Part Number: 139987-24 (Component) Part Number: 139988 (O-ring) Part Number: 139988-01 (Potentiometer) Part Number: 139989 (Body) Part Number: 139989501 (Komtech) Part Number: 13999 (Bearing) Part Number: 139990 (Sleeve) Part Number: 1399-902B (Flange assy) Part Number: 13999-03011 (Seat valve) Part Number: 13999-06 (Window dial) Part Number: 139992 (Component) Part Number: 139992-005 (3com corporation)