Check out any of the seven Interior Light components enlisted.
With two applications this Screw Et, 5x16 is the most specified part.
Parts such as the Interior Light: Bulb (12v 5w), Lens Comp, Bulb (12v 8w), Screw Et, 5x16 are included in the Civic 2003 (3) 4dr Dx Side Srs (ka) Interior Light parts fiche.