Part Number: 139-421-2535 (Microcircuit) Part Number: 139-421-255 (Microcircuit) Part Number: 13942149 (Component) Part Number: 13942198 (No description) Part Number: 139421REVB (Fab 139421 rev.b iberia) Part Number: 139422 (At&t) Part Number: 1394222 (Cat) Part Number: 1394227 (Plate assy) Part Number: 139423 (Bellows, pressure) Part Number: 1394230 (Valve,angle ea45152) Part Number: 139423-1 (Cover) Part Number: 1394231-1 (Armature assy) Part Number: 1394231-7 (No description) Part Number: 139423-2 (Cover)