Graco 256557 Nut, Packing, 4.5/6.0 Cm
The Graco 256557 Packing Nut is a genuine OEM replacement component designed for compatible 60cc and 100cc displacement pumps. It helps maintain proper sealing performance and supports reliable pump operation.
- Part Number: 256557
- Genuine Graco OEM replacement part
- Fits compatible 60cc and 100cc displacement pumps
- Helps secure and compress pump packings
- Reduces the risk of fluid leakage
- Supports long-term pump performance and efficiency
Compatible Machines & Equipment
The Graco 256557 Nut, Packing, 4.5/6.0 cm is used with Graco 60cc and 100cc displacement pump assemblies commonly found in the following equipment and systems:
- Graco Check-Mate 60cc Pump Systems
- Graco Check-Mate 100cc Pump Systems
- Heavy-Duty Material Supply Systems using 60cc pumps
- Heavy-Duty Material Supply Systems using 100cc pumps
- Industrial Adhesive Transfer Systems equipped with 60cc displacement pumps
- Industrial Adhesive Transfer Systems equipped with 100cc displacement pumps
- Sealant and Extrusion Systems utilizing 60cc pump lowers
- Sealant and Extrusion Systems utilizing 100cc pump lowers
- Industrial Finishing Equipment using compatible 60cc pump assemblies
- Industrial Finishing Equipment using compatible 100cc pump assemblies
Product Overview
The Graco 256557 Nut, Packing, 4.5/6.0 cm is a genuine replacement component designed for use in select Graco displacement pumps. This packing nut helps secure and compress the internal packing assembly, maintaining an effective seal around the pump rod while helping reduce fluid leakage and wear.
Manufactured for demanding industrial applications, this component plays an important role in maintaining pump efficiency, extending service life, and supporting consistent material transfer performance.
Key Features
| Part Number | 256557 |
|---|---|
| Product Type | Packing Nut |
| Size | 4.5/6.0 cm |
| Application | Displacement Pump Assembly |
| Function | Compresses and secures pump packings for proper sealing |
| Compatible Pump Sizes | 60cc and 100cc Pumps |
| OEM Manufacturer | Graco |
Benefits of Replacing a Worn Packing Nut
- Helps maintain proper sealing performance within the pump.
- Reduces the likelihood of fluid leakage.
- Supports consistent pump operation and pressure control.
- Helps extend the service life of internal packing components.
- Maintains reliable performance in demanding industrial environments.
Applications
This packing nut is commonly used in industrial pumping systems that handle adhesives, sealants, coatings, and other high-viscosity materials. It is designed to support proper packing adjustment and sealing performance within compatible displacement pump assemblies.
Frequently Asked Questions
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