3MM CS X 8MM ID BLACK BUNA 70D

Part number H3X8 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 8 mm (0.315 in), a cross section of 3 mm (0.118 in), and an outside diameter of 14 mm (0.55 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. Expect good resistance to hydraulic fluids, petroleum-based oils, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ozone and direct sunlight or polar solvents are present.

Maintenance and OEM teams specify it across fluid power, hydraulic and pneumatic systems, and automotive.

Order part number H3X8, sold individually. Unit weight is approximately 0.3 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.