2MM CS X 109.5MM ID BLACK BUNA 70D

Part number H2X109.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 109.5 mm (4.311 in), a cross section of 2 mm (0.079 in), and an outside diameter of 113.5 mm (4.47 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. The catalog record notes: Metric O-RING, JIS S110.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. It resists many alcohols, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or polar solvents.

Common environments for this compound include hydraulic and pneumatic systems, fluid power, and construction equipment.

Stocked as H2X109.5 and sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.