This is American Pneumatic Tool part number 1280583500 the number that superseded 03184 piston, stocked at Crowder Supply as APT3184. 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 131 Backfill Tamper. The tool itself is the APT 131 Pneumatic Backfill Tamper. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583500
- Previous part number: 03184
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT3184
- Listed on breakdowns for: 131 Backfill Tamper
