This is Chicago Pneumatic part number 1633010763 lock nut, stocked at Crowder Supply as CP-1633010763. It carries the clamp load on its stud or bolt. On an impact tool, thread and face condition matter a nut that has been run down over damaged threads will not hold torque.
If you are working from a machine rather than a part number, start at the parts diagram hub, or send us the model and serial and we will match it. Machines themselves are on the CP tool catalog. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1633010763
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-1633010763