Universal passenger service unit

A Passenger Service Unit (PSU) including an outer plate having an aperture therethrough. The outer plate has symmetry about at least one outer plate axis. The outer plate is configured to be couplable to a passenger compartment at a first position and a second position nonadjacent to the first position. The PSU also includes a first insert configured to be coupled to the outer plate and includes at least one component to be manipulated by a passenger in the passenger compartment. The first insert has symmetry about at least one insert axis and at least a portion of the first inner plate fits within the aperture. Further, the inner plate is rotatable with respect to the outer plate such that the inner plate can be coupled to the outer plate in a first orientation and a second orientation offset by substantially 180 degrees from the first orientation.