Valve Center Seat carries Tamco/Toku part number Y10298130 and is stocked here under TK-Y10298130. This part controls the working cycle of the chipping hammer. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It appears on the AA-OS Chipping Hammer breakdown. The tool itself is the Tamco/Toku AA-OS Chipping Hammer. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: Y10298130
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10298130
- Listed on breakdowns for: AA-OS Chipping Hammer

