2.5MM CS X 9MM ID BLACK BUNA 90D

H90M2.5X9 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 9 mm (0.354 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 14 mm (0.55 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, most widely specified general-purpose sealing elastomer. The compound resists hydraulic fluids, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

Maintenance and OEM teams specify it across automotive, agricultural equipment, and construction equipment.

This item is sold individually under part number H90M2.5X9. Unit weight is approximately 0.231 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.