Numero di parte: GB/T818-M2x4 (PAGB/T818-M2x4)
La parte viene utilizzata per i modelli di motore: Parsun F15A/F20A
This M2 × 4 pan-head screw secures the small retaining washer inside the F20A carburetor float chamber.
It fastens at the small passage opening beside the enrichment-pump bore, separate from the larger screws joining the bowl to the carburetor body.