The component with the lowest price in the F-14 schematic is the Screw,tapping(po).
A sample from the products for the F-14 include: Case,air/c*nh220*, Screw,pan,4x20, Bolt,flange,6x12, Mud Guard,air/c.
With a quantity of four pieces, the Nut Thin 5mm is the most used part in the F-14 diagram.