O-Ring for Flushometer Tailpiece or General Hydraulic, and Pneumatic Applications, 1-3/8 X 1-3/16 X 3/32 - 10 Pack

This universal-fit O‑ring provides dependable sealing for flushometer valve assemblies or general‑purpose industrial, hydraulic, and pneumatic applications to help prevent internal leaks and maintain consistent pressure. Sized at 1-3/8 inch ID, 1-3/16 inch OD, and 3/32 cross section, it is suitable for routine flushometer repairs, rebuilds, and more. Constructed from 70‑durometer nitrile, this O‑ring provides strong resistance to the lubricants, oils, and water conditions commonly encountered inside flushometer pistons, diaphragms, and coupling interfaces. Its material composition retains flexibility across a wide temperature span of -40 to 250 degrees Fahrenheit, ensuring long‑term performance inside high‑use commercial environments.

• Black nitrile construction provides dependable wear resistance.
• Generally operates between -40°F to +250°F (-40°C to +121°C).
• Tailpiece stop o-ring compatible with various brands of flush valves.
• Suitable for use in pumps, valves, compressors, and hydraulic assemblies.
• Fits Sloan, Zurn, Delany, TOTO, American Standard, Kohler, Hydroteck, and more.
• Compatible with American Standard flush valves requiring part number A912809-0070A.
• Its chemical resistance makes it suitable for petroleum-based oils, fuels, lubricants, and hydraulic fluids.
• Compatible with Zurn AquaVantage® and AquaFlush® flush valves that use their part number P6000-C31.
• Fits into the groove on the tailpiece assembly of many Sloan Royal and Regal series flush valves (o-ring H-553).