Washer is the Tamco/Toku service part carried under part number Y10219120. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
Crowder’s breakdowns list this part on the THH 6 7 8 9 Chipping Hammer. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Toku tool catalog covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: Y10219120
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10219120
- Listed on breakdowns for: THH 6 7 8 9 Chipping Hammer

