8 - CONTOURED N90 NITRILE O-RING BACKUP - INCH

These split TFE backup rings are machined from virgin TFE to military drawings and are popular in commercial applications requiring low friction, fluid compatibility or high temperature. These parts do not meet mil spec testing requirements. Prices can be quoted for mil spec applications requiring additional testing and certification.

MS27595 - SOLID TEFLON® O-RING BACK UP - INCH

These solid backup rings are machined from virgin TFE and are normally used with 8400 and 6226 series u-cups when fluid compatibility or temperature resistance is required.

MS28774 - SPLIT TEFLON® O-RING BACK UP - INCH

These spiral TFE backup rings are machined from virgin TFE to military drawings and are popular in commercial applications requiring low friction, fluid compatibility or high temperature. The spiral design allows for ease of installation. These parts do not meet mil spec testing requirements. Prices can be quoted for mil spec applications requiring additional testing and certification.

MS28782 - SPIRAL TEFLON® O-RING BACK UP - INCH

These spiral TFE backup rings are machined from virgin TFE to military drawings and are popular in commercial applications requiring low friction, fluid compatibility or high temperature. The spiral design allows for ease of installation. These parts do not meet mil spec testing requirements. Prices can be quoted for mil spec applications requiring additional testing and certification.

MS28783 - SPIRAL TEFLON® O-RING BACK UP - INCH

These solid TFE backup rings are machined from virgin TFE to military drawings and are popular in commercial applications requiring low friction, fluid compatibility or high temperature. The solid design is easier to install in larger bore sizes as there are no ends to catch. These parts do not meet mil spec testing requirements. Prices can be quoted for military applications requiring additional testing and certification.

19/51 - FLAT 95A URETHANE O-RING BACKUP - INCH

MBH - HYTREL® U-CUP BACK UP - METRIC

Made from 55 shore D Hytrel®, these rings are extremely resistant to extrusion, compatible with water and petroleum based fluids, and can be used at temperatures to 275°F. Unlike TFE, they can be stretched over larger diameters and will return quickly to their original size. Temperature: -40° to 275°F

8700 - HYTREL® U-CUP BACK UP - INCH

Made from 55 shore D Hytrel®, these rings are extremely resistant to extrusion, compatible with water and petroleum based fluids, and can be used at temperatures to 275°F. Unlike TFE, they can be stretched over larger diameters and will return quickly to their original size. Temperature: -40° to 275°F

BU-T - PTFE U-CUP BACK UP - INCH

These Hytrel® rings are supplied solid and are used normally to backup 8400 series u-cups. They are highly extrusion resistant and are compatible with water and petroleum based fluids up to temperatures of 275°F. Unlike TFE, they can be stretched over larger diameters and will quickly return to their original size. Temperature: -40° to 275°F

BU-N - NYLON U-CUP BACK UP - INCH

Wear Rings Are Used To Prevent Metal To Metal Contact Of Moving Parts In Hydraulic And Pneumatic Cylinders. They Also Center The Piston And Rod For Optimum Seal Life.

MBN - NYLON U-CUP BACK UP - METRIC

These nylon backup rings are used to increase the pressure rating for u-cups, and are machined to close tolerances. Some sizes are stocked solid. They may be split with a sharp razor knife for ease of installation. Temperature range is -65°F to +225°F.

MBT - SOLID TEFLON® U-CUP BACK UP - METRIC

Wear Rings Are Used To Prevent Metal To Metal Contact Of Moving Parts In Hydraulic And Pneumatic Cylinders. They Also Center The Piston And Rod For Optimum Seal Life.

MB - MODULAR URETHANE U-CUP BACK UP - INCH

Made from 65 D durometer urethane, these devices are designed to absorb shock loads and are used to prevent extrusion of loaded lip seals at high pressure. Please call our staff for other compounds and sizes. Temperature: -65° to 200°F

BU-VEG - VEGETABLE FIBER GASKET END CAP SEAL - INCH

These gaskets are made from vegetable fibers and offer an inexpensive alternative to Teflon. They are primarily used as tube end seals. Temperature : < 250°F

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