

OEM packing nut designed to secure and compress fluid section packing, ensuring proper sealing and leak-free high-pressure operation in Graco sprayers.
| Machine Model | Equipment Type | Compatibility Details |
|---|---|---|
| Graco Ultra Max Series | Airless Paint Sprayers | Packing nut assembly component |
| Graco GMAX / GH Series | Hydraulic Airless Sprayers | Fluid section packing retention part |
| Graco LineLazer Systems | Line Striping Equipment | OEM packing nut replacement |
The Graco 180394 Nut, Packing is a genuine OEM component designed to secure and compress the packing set within compatible Graco fluid sections. It plays a critical role in maintaining proper sealing performance and preventing fluid leakage during high-pressure spraying operations.
Engineered for durability and precise fitment, this packing nut ensures consistent pressure on sealing components, helping maintain pump efficiency and reliable spray performance in demanding professional applications.