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

Description & Features

This Polyurethane U-Seal features a 3.75 inch outer diameter and a 3.00 inch inner diameter, with a 0.375 inch height.

Manufactured from durable urethane, this U-seal is designed for applications within a pressure range of 0 to 6,000 PSI and a temperature range of -65°F to 220°F. The beveled lip design provides enhanced film breaking capabilities.

SKU: U37-3.00-SQB

Supplier Part Number (MPN): U37-3.00-SQB

Alternate Part Numbers: C1DQ56

Specifications

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 (1)

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

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

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

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