Flowcheck Piston Kit Specifications:
Five grooves
1/16 in. wide x 1/16 in. deep, parallel to length, evenly spaced around piston outside diameter
Includes Teflon O-Ring
Orifice Diameter: 0.0400"
Overall Length: 0.5000"
Piston Outer Diameter: 0.4585"
**Image may not represent actual product.**