This is the American Pneumatic Tool throttle valve part number 1280583787, previously 02477, Crowder SKU APT2477. 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.
You will find it on the diagram for the 133-ST/1133-ST Rivet Buster and 133 4-Bolt Rivet Buster, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the full diagram library has the full breakdown library, and the American Pneumatic catalog covers the machines themselves. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280583787
- Previous part number: 02477
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2477
- Listed on breakdowns for: 133-ST/1133-ST Rivet Buster, 133 4-Bolt Rivet Buster, CP 1260SPDR Spike Driver
