This is the American Pneumatic Tool inlet bushing – 1/2 X 1/2 part number 1280582992, which replaced the older number 18651, Crowder SKU APT18651. It is the sacrificial wear surface between two moving parts of the rivet buster designed to be replaced so the housing around it is not.
It shows up in the parts breakdown for the 633 Rivet Buster and 633 133 1133 CN Rivet Buster, and on 3 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
Use the parts breakdown index to work through the rest of the assembly, or the American Pneumatic Tool range if you are pricing a replacement machine. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280582992
- Previous part number: 18651
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18651
- Listed on breakdowns for: 633 Rivet Buster, 633 133 1133 CN Rivet Buster, 125 Clay Digger, 133 Rivet Buster, 1133 Rivet Buster

