Coupling Spider carries Chicago Pneumatic part number 3377000666 and is stocked here under CP-3377000666. It makes the air or hydraulic connection to the power pack. Thread and sealing-face condition here is the difference between full pressure at the tool and a slow leak nobody notices.
It shows up in the parts breakdown for the PAC P18 Twin E11 Twin Hydraulic Power Pac and LP 9-20P 9-20E Hydraulic Power Pac, and on 1 other machine.
Everything else on that machine is one page away on the parts diagram hub; complete tools are on the CP tool catalog. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3377000666
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-3377000666
- Listed on breakdowns for: PAC P18 Twin E11 Twin Hydraulic Power Pac, LP 9-20P 9-20E Hydraulic Power Pac, LP 18-2×20/1×40 Twin PE Hydraulic Power Pac

