With eight applications this Bolt-washer,8x16 is the most specified part.
A sample from the products for the F-15 Step - Pedal include: Pin Step Bar Join, Arm Assy., R. Step, Pin,split, 1.6, Bolt,flange 6x20.
The component with the lowest price in the F-15 STEP - PEDAL schematic is the Washer,plain,8mm.