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Polyurethane U-Seal, 3.75 Inch OD, 3.00 Inch ID, 0.38 Inch Height

Cross Section 0.375 in	Brand Hercules Sealing Products	Brand Hercules Sealing Products	Pack Size 1.00	UOM EA	H 0.375 in	I.D. 3 in	O.D. 3.75 in	Supplier Part Number U37-3.00-SQB	Alternate Part Numbers Alternate Part Number C1DQ56	Product Weight 0.99 lbs

Product Questions & Answers

Reckon this'll hold up in a hydraulic system running around 5,000 PSI?

Question by: Patty J on Sep 18, 2025, 5:08 PM

This U-seal is rated to handle pressures from 0 to 6,000 PSI, so it should be suitable for your system.

Answer by: Customer Support on Sep 20, 2025, 6:23 AM