Flange Nut is the Chicago Pneumatic service part carried under part number C085834, cross-referenced to 3310103930. This is clamping hardware for the pump, and it is normally renewed alongside the bolt or stud it runs on.
Crowder’s breakdowns list this part on the CP 0020 Sump Pump. Check it against the reference number on the diagram first; serial breaks change what fits.
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: C085834
- Also listed as: 3310103930
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-C085834
- Listed on breakdowns for: CP 0020 Sump Pump
