The component with the lowest price in the STEP schematic is the Washer,plain,8mm.
The Bolt-wash,8x20 is the most widely applied product in the Z50J3 MONKEY 1990 (L) FINLAND HP STEP ( four times ).
Some items from this specific schematic: Spring L Step, Pin,cotter 2.0x15, Washer,plain,8mm, Arm Comp.,r.step.