Fisnar 3cc Plunger Stopper 580171

The Fisnar 5401021 is a black rubber piston designed for use in 3 cc manual syringe assemblies, specifically within Fisnar 500 Series syringe barrels. It forms a tight seal on the plunger rod to enable precise, controlled dispensing of fluids. The piston features dual wiper blades to prevent fluid bypass and is lightly silicone-lubricated for easy installation and smooth operation. Applications: *Used in manual syringe assemblies for dispensing adhesives, epoxies, greases, sealants, primers, and gels. *Ideal for laboratory, bench-top dispensing, and light production systems. *Helps prevent fluid bypass and syringe barrel tunneling in high-viscosity material applications. *Suitable for technician use where clean, drip-free manual fluid control is required.