3MM CS X 35.5MM ID BLACK BUNA 70D

APG stocks the H3X35.5, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 35.5 mm (1.398 in), a cross section of 3 mm (0.118 in), and an outside diameter of 41.5 mm (1.63 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to propane and butane, hydraulic fluids, and water. Buna-N (Nitrile) is widely chosen for low compression set under sustained load and an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

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

Order part number H3X35.5, sold individually. Unit weight is approximately 1.089 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.