Relief valve component

The design is the visual features of the RELIEF VALVE COMPONENT shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. FIG. 1 is a side perspective view of a RELIEF VALVE COMPONENT; FIG. 2 is a bottom perspective view thereof; FIG. 3 is a left side view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; Drawings of the design are included.