

The Graco 166629 Coupling is a heavy-duty 1" NPT(F) hex pipe coupling designed for secure fluid line connections in industrial Graco systems.
This Graco 166629 Coupling is commonly used in heavy-duty Graco fluid systems and appears in the Hydra-Clean package parts list. It fits machines that use a 1" NPT female threaded coupling in their fluid line setup.
The 166629 Coupling is a robust 1" NPT(F) hex pipe coupling designed for high-pressure industrial spray systems. It ensures a secure, leak-resistant connection between major fluid components. This part is used in systems requiring strong, corrosion-resistant threaded fittings to maintain proper fluid flow and structural integrity.
| Part Number | 166629 |
|---|---|
| Description | Coupling, Hex Pipe, 1" NPT(F) |
| Thread Type | 1" NPT Female |
| Usage | Fluid line connection for industrial Graco systems |
| Fits | Hydra-Clean and other 1" NPT-based units |