This is the American Pneumatic Tool ring – nylon part number 1280583015, which replaced the older number 18691, Crowder SKU APT18691. It secures the components around it and is treated as a single-use item on reassembly.
It shows up in the parts breakdown for the 260 Chipping Hammer Series and M43 M44 4-Bolt Chipping Hammer. Pull up the diagram and confirm the reference number for your serial before ordering.
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: 1280583015
- Previous part number: 18691
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18691
- Listed on breakdowns for: 260 Chipping Hammer Series, M43 M44 4-Bolt Chipping Hammer
