Part Number: 121839-2 (Circuit card ass) Part Number: 1218393-2 (Component) Part Number: 121-83937-5 (Valve,regulating,fl) Part Number: 1218395-1 (Component) Part Number: 121-83971-064 (Tray) Part Number: 1218397-2 (Component) Part Number: 121839S (Seal, split pr, 1) Part Number: 12183Y075BK50R (No description) Part Number: 12184 (Screw) Part Number: 1218400 (Lever) Part Number: 12184-002 (Fitting assy) Part Number: 12184-003 (Fitting) Part Number: 1218401-1 (Tyco electronics/amp) Part Number: 121840-2 (Circuit card ass)