Pompetravaini · Washer
554.8
Valve plate Lock washer
Manufacturer’s part number
Where to get it
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As printed in the source
180.5 | Valve plate | 554.8 | Lock washer
Fits 2 models
As listed by PompetravainiWhen ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
In the manufacturer’s drawings
- Position 180.5 · Exploded viewDisassembly Manual, p. 12
Part number, name and fitment as published by Pompetravaini (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.