HERCULES U-CUP POLYURETHANE SEAL – 3.75" ID X 4.25" OD X 0.25"

Product Description The U5-3.75-SQB is a precision-engineered polyurethane U-cup seal from Hercules, designed for reliable sealing in hydraulic and pneumatic systems. Featuring a 3.75-inch inside diameter, 4.25-inch outside diameter, and a 0.25-inch cross-section, this seal offers effective fluid retention in both rod and piston applications. Its square-lip U-cup design provides a tight, low-friction seal suitable for moderate to high-pressure environments. Show more.. Additional Information Product Condition New Product SKU U5-3.75-SQB Country of Manufactured United States Packing Height (in inches) 12.00 Packing Width (in inches) 12.00 Packing Weight (in pounds) 1.00 Show less..