Solid Backup Ring 4.375" x 4.750" x 0.055" - Polyurethane

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Product Details : Solid Backup Ring 4.375" x 4.750" x 0.055" - Polyurethane Part No: 8-348/U Product Category: O-Rings Product Type: Solid Backup Ring Series: -XXX/U Dash No.: -348 Material(s): Polyurethane Material Code: AU Durometer: 95A Temperature Range: -60°F to +250°F (-51°C to +121°C) Surface Speed: < 1.6 ft/s (0.5 m/s) System Of Measurement: Inch Dimensions: 4.375" x 4.750" x 0.055" Nominal I.D.: 4.375" Nominal O.D.: 4.750" Nominal Width (W): 0.187" Actual Thickness (T): 0.055" Actual Width (W): 0.183" Details: •Back-Up Rings are predominantly used in conjunction with O-rings for both static and dynamic sealing applications •They prevent the O-ring from extruding when it is subjected to high pressures, or when clearance gaps are excessive For any information about products, please contact us. *Photos for reference purposes only. Show more