Buna 70-234-Black-Pk3

This o-ring is supplied in AS568-234 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 2.984 in (75.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.262 in (82.85 mm), catalogued under part number SB-H70234-3. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. Supplementary detail from the product record: 3.25IDX3"ODX.125"CS.

Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Expect good resistance to hydraulic fluids, petroleum-based oils, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or automotive brake fluid call for a different compound.

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

Stocked as SB-H70234-3 and sold by the bag. Nominal inside diameter is listed as 3 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.