2.2MM CS X 11.3MM ID BLACK BUNA 90D

The H90M2.2X11.3 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 11.3 mm (0.445 in), a cross section of 2.2 mm (0.087 in), and an outside diameter of 15.7 mm (0.62 in). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to petroleum-based oils, many alcohols, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong acids or ketones call for a different compound.

It sees regular use in hydraulic and pneumatic systems, fluid power, and general industrial maintenance.

Reference part number H90M2.2X11.3 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.