This is Tamco/Toku part number Y10212150 sim plate valve, stocked at Crowder Supply as TK-Y10212150. Cycle timing runs through this component. Because it shuttles on every blow, it accumulates cycles faster than almost anything else in the chipping hammer.
It shows up in the parts breakdown for the THH 1 2 3 4 Chipping Hammer and TCH 2 3 4 Chipping Hammer.
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: Y10212150
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10212150
- Listed on breakdowns for: THH 1 2 3 4 Chipping Hammer, TCH 2 3 4 Chipping Hammer

