

The Graco SP401006 LSR Pump, Piston Washer is a precision internal component designed to maintain sealing and smooth piston operation in LSR systems.
The Graco SP401006 LSR Pump, Piston Washer is designed for use within Graco Liquid Silicone Rubber (LSR) metering systems. It is not tied to a single machine model but is used across multiple LSR pump assemblies.
The Graco SP401006 LSR Pump, Piston Washer is a precision-engineered internal component used in LSR pump assemblies. It plays a critical role in maintaining sealing integrity and ensuring smooth piston operation during silicone dispensing processes.
| Part Number | SP401006 |
|---|---|
| Product Type | LSR Pump Piston Washer |
| Application | Liquid Silicone Rubber (LSR) Systems |
| Function | Sealing & piston support |
| Category | Internal pump component |
In high-precision LSR applications, even small components like the piston washer are essential for maintaining system efficiency. This part ensures consistent sealing and alignment, helping extend the life of the pump and maintain accurate material flow.