Graco 190585 Packing Nut 8cm Hotmelt
$243.00
Available to Order
The Graco 190585 Nut Packing 8CM Hotmelt is a genuine OEM pump packing nut, designed for reliable sealing in displacement pump assemblies.
- OEM replacement part for Graco pumps
- Secures packing to prevent fluid bypass
- Durable metal construction
- Easy to install in maintenance or rebuild jobs
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 190585 Nut Packing 8CM Hotmelt – Pump Seal Replacement
Compatible Machines
- Graco 190 Series Airless Sprayer (pump assemblies)
- Graco 290 Series Airless Sprayer (when equipped with similar pump)
- Graco 390 PC and related displacement pumps
- Other Graco airless sprayers using 8 cm packing nuts
Key Features
| Feature | Benefit |
|---|---|
| OEM Fit | Exact replacement for Graco part number 190585, ensuring proper sealing and performance. |
| Packing Nut Design | Secures packing in displacement pumps to prevent fluid leakage and bypass. |
| Heavy‑Duty Metal | Durable packing nut construction for long service life under pressure. |
| Service & Maintenance | Ideal for use during routine pump rebuilds or when replacing worn components. |
Installation & Usage Tips
- Ensure system is depressurized before removal or installation.
- Clean contact surfaces prior to fitting to prevent seal damage.
- Use correct torque to avoid thread deformation or over‑tightening.
- Inspect adjacent seals and O‑rings, replacing if worn.
Frequently Asked Questions
It secures and compresses packing around the displacement pump rod to maintain a reliable seal under pressure.
This packing nut fits many Graco airless pumps (190/290/390 style), but verify your pump assembly before ordering.
Replace during pump rebuilds or when signs of wear, corrosion, or leakage are present.
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