This is American Pneumatic Tool part number 1280583892 the number that superseded 18829 piston – 6″ and 8″, stocked at Crowder Supply as APT18829. Impact energy comes from this part accelerating down the bore. Wear on the strike face or the seal lands costs blow energy before it ever causes a hard failure.
It shows up in the parts breakdown for the 633 133 1133 CN Rivet Buster and 133CN T-Handle Rivet Buster. 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 full diagram library. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583892
- Previous part number: 18829
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18829
- Listed on breakdowns for: 633 133 1133 CN Rivet Buster, 133CN T-Handle Rivet Buster
