

The Graco 223590 Nut Packing is a stainless-steel wet-cup nut designed to secure and seal packing components in select Graco displacement pumps.
The Graco 223590 Nut Packing is a stainless-steel wet-cup packing nut designed for securing and sealing packing components inside select Graco stainless-steel displacement pumps. It helps maintain proper pump lubrication, prevents leakage, and ensures smooth and consistent sprayer performance.
This part is used in select Graco stainless-steel displacement pump models, including:
| Part Number | 223590 |
|---|---|
| Component Type | Packing Nut / Wet Cup Nut |
| Material | Stainless Steel |
| Function | Secures and seals packing sets inside displacement pumps |