This is the American Pneumatic Tool throttle valve bushing Ass’y part number 1280583581, previously 08574, Crowder SKU APT8574. This is control gear it meters air to the rivet buster. A worn control gives creep, hard starting, or a tool that will not shut off cleanly.
The published breakdown lists it on the 633 133 1133 CN Rivet Buster and 133 Rivet Buster, and on 2 other machines.
Everything else on that machine is one page away on the parts breakdown index; complete tools are on the American Pneumatic catalog. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 1280583581
- Previous part number: 08574
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT8574
- Listed on breakdowns for: 633 133 1133 CN Rivet Buster, 133 Rivet Buster, 1133 Rivet Buster, 633 Rivet Buster
