

Easily connect mismatched thread sizes with the Graco 159840 1/4 NPT Female to 1/8 NPT Adapter. Ensures reliable, leak-free connections in industrial fluid systems.
The Graco 159840 1/4 NPT Female to 1/8 NPT Adapter allows seamless connection between mismatched thread sizes, ensuring leak-free fluid transfer in your Graco systems. Ideal for pump elevators, sprayers, and other industrial fluid-handling applications.
| Feature | Description |
|---|---|
| Thread Conversion | Converts 1/4" NPT female port to 1/8" NPT male port for compatibility between components. |
| Compact & Durable | Small solid metal adapter designed for high-pressure fluid systems. |
| Versatile Use | Fits pump elevators, drum topping units, and other fluid-handling setups. |
| OEM-Grade Precision | Genuine Graco part ensures proper sealing and thread alignment. |
| Specification | Details |
|---|---|
| Thread Size | 1/4 NPT Female → 1/8 NPT Male |
| Material | Metal (steel or brass) suitable for high-pressure fluids |
| Application | Industrial fluid-handling and pump assemblies |
| Compatibility | Graco elevators, topper units, general fluid systems requiring this adapter |
Apply proper pipe sealant or PTFE tape on NPT threads to prevent leaks. Install carefully without over-tightening to avoid thread damage. Periodically inspect the adapter for leaks, especially in systems with vibration or cyclic pressure.