The Washer, Spring is the lowest priced item on this Optional Parts Gauges & Component Parts 3 schematic.
With a quantity of two pieces, the Nut, Hexagon (663) is the most used part in the OPTIONAL PARTS GAUGES & COMPONENT PARTS 3 diagram.
The Optional Parts Gauges & Component Parts 3 assembly is constructed from several parts from which the Voltmeter Assy is the most expensive.