This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 240 mm (9.449 in), a cross section of 3 mm (0.118 in), and an outside diameter of 246 mm (9.69 in), catalogued under part number H3X240. It 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, most widely specified general-purpose sealing elastomer. The compound resists many alcohols, propane and butane, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
Typical settings include automotive, general industrial maintenance, and fluid power.
H3X240 ships individually. Unit weight is approximately 6.7693 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description 3MM CS X 240MM ID BLACK BUNA 70D
Actual Outside Diameter 246 mm (9.69 inch)
Actual Cross Section 3 mm (0.118 inch)
Actual Inside Diameter 240 mm (9.449 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity