Buna 70-241-Black-Pk25

This o-ring is supplied in AS568-241 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 3.859 in (98.02 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.137 in (105.08 mm), catalogued under part number SB-H70241-25. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: 0.139CSX3.859"IDX4.137"OD.

It resists propane and butane, water, and hydraulic fluids. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or ozone and direct sunlight.

Common environments for this compound include automotive, fluid power, and construction equipment.

This item is sold by the bag under part number SB-H70241-25. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.