Description
The Techcon 400 Series Plunger, 3 cc pushes material out of a matching 3 cc syringe barrel during manual dispensing. It is a wear item on any bench running the 400 series platform, and it ships one plunger per unit so an operator can restock without buying a full barrel kit.
How This Plunger Works With a Syringe Barrel
The plunger seats inside the open end of a 3 cc barrel opposite the tip. Thumb pressure or an air-powered piston drives the plunger down the bore, displacing the fluid out through the tip and any attached dispensing tip or needle. Because the plunger diameter matches the barrel bore closely, the seal stays consistent shot to shot, which keeps bead size repeatable across a production run. This plunger is molded for the 3 cc barrel specifically and is not interchangeable with the 6 cc, 30 cc, or 60 cc sizes in the same product family.
- Capacity: 3 cc
- Compatible with: Techcon 400 series 3 cc syringe barrel
- Use: manual thumb-press or air-piston dispensing
- Sold individually, one plunger per unit
Restocking a Syringe Barrel Line
Operators typically wear through plungers faster than barrels on a high-cycle bench, since the plunger takes the direct pushing force on every shot while the barrel itself sees far less wear. Keep spares on hand in a few different capacities so a worn or cracked plunger does not stop a production line waiting on a full barrel kit to arrive. Confirm the barrel capacity on the bench before ordering, since a 3 cc plunger will not seal correctly in a 6 cc or larger barrel, and a mismatched fit shows up immediately as inconsistent bead size or a leak past the seal.
Pair this plunger with compatible tips and nozzles from our dispensers, mixers, and nozzles category. For the full 400 series compatibility chart, see Techcon.
Need Help?
Need help matching plunger capacity to your barrel size? Call (800) 220-1966 or email [email protected].







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