O-ring – Seal #2-205 carries American Pneumatic Tool part number 1280583563, listed as 07647 before the renumbering and is stocked here under APT7647. Seals like this one are consumables in a tamper they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
It shows up in the parts breakdown for the 131 Backfill Tamper and M43 M44 4-Bolt Chipping Hammer, and on 8 other machines. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts diagram hub to work through the rest of the assembly, or the APT lineup if you are pricing a replacement machine. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583563
- Previous part number: 07647
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT7647
- Listed on breakdowns for: 131 Backfill Tamper, M43 M44 4-Bolt Chipping Hammer, 117 Paving Breaker, 125 Clay Digger, 140A Airgo Paving Breaker, 160 Paving Breaker, +4 more
