This is American Pneumatic Tool part number 1280582687, listed as 18742 before the renumbering exhaust deflector, stocked at Crowder Supply as APT18742. It silences the exhaust pulse. Once it clogs, the tool works against its own back pressure.
It appears on the 260 Chipping Hammer Series and M43 M44 4-Bolt Chipping Hammer breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
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: 1280582687
- Previous part number: 18742
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18742
- Listed on breakdowns for: 260 Chipping Hammer Series, M43 M44 4-Bolt Chipping Hammer
