This is American Pneumatic Tool part number 1280583106, which replaced the older number 03157 automatic valve, stocked at Crowder Supply as APT3157. This part controls the working cycle of the rivet buster. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It shows up in the parts breakdown for the 633 133 1133 CN Rivet Buster and 133CN T-Handle Rivet Buster, and on 6 other machines. Pull up the diagram and confirm the reference number for your serial before ordering.
Use the full diagram library to work through the rest of the assembly, or the American Pneumatic Tool range if you are pricing a replacement machine. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280583106
- Previous part number: 03157
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT3157
- Listed on breakdowns for: 633 133 1133 CN Rivet Buster, 133CN T-Handle Rivet Buster, 1133CN T-Handle Rivet Buster, 133 Rivet Buster, 133-T/1133-T Rivet Buster, 133-ST/1133-ST Rivet Buster, +2 more
