Parts such as the Meter: Screw, Tapping, Damper, Washer, Plain (852), Plug(42h) are included in the Bt1100 2002 5jn1 Holland 1a5jn-332e2 Meter parts fiche.
The component with the lowest price in the METER schematic is the Screw, Tapping.
With nine applications this Screw, Tapping is the most specified part.
