The Washer, Plain (663) is the lowest priced item on this Control Box (79n-700100) schematic.
This CONTROL BOX (79N-700100) assembly utilises four Washer, Conical Spring(7y6)(s) - the highest specified component.
A sample from the products for the Control Box (79n-700100) include: Nut, Nut, Flange(34m), Nut(79n), Bolt, Flange(55x).