This is Chicago Pneumatic part number 4700W50659 circlip, stocked at Crowder Supply as CP-4700W50659. It locates or retains an assembly inside the tool. Small as it is, a sheared or walked-out pin lets a whole subassembly shift.

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: 4700W50659
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-4700W50659