This is the Chicago Pneumatic lock nut part number P070931, cross-referenced to 3310103433, Crowder SKU CP-P070931. This is clamping hardware for the tamper, and it is normally renewed alongside the bolt or stud it runs on.
It shows up in the parts breakdown for the CP 0003 Backfill Tamper. The tool itself is the CP 0003 Pneumatic Backfill Tamper.
Need the parts around it? They are on the same breakdown, and the full diagram library covers every machine we publish. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: P070931
- Also listed as: 3310103433
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-P070931
- Listed on breakdowns for: CP 0003 Backfill Tamper

