3.5MM CS X 9MM ID BLACK BUNA 70D

Ordered as H3.5X9, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 9 mm (0.354 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 16 mm (0.63 in). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, economical choice for high-volume maintenance programs. Expect good resistance to hydraulic fluids, petroleum-based oils, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.

Common environments for this compound include automotive, general industrial maintenance, and hydraulic and pneumatic systems.

This item is sold individually under part number H3.5X9. Unit weight is approximately 0.46 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.