4'' x 3-5/8'' x .255'' - Crowned Piston Seal
4'' Outside Diameter
3-5/8'' Inside Diameter
.255'' Thickness
Material: 95A Polyurethane with 70A Nitrile Energizer
Speed: 3 Feet / Second
Temperature Range: -40°F - +200°FPressure Rating: 0 - 5