8.4MM CS X 269.5MM ID BLACK BUNA 70D

APG stocks the H8.4X269.5, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 269.5 mm (10.61 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 286.3 mm (11.27 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: Metric O-RING, JIS P270.

Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The compound resists hydraulic fluids, many alcohols, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to polar solvents or strong acids will shorten service life.

It sees regular use in construction equipment, automotive, and agricultural equipment.

Reference part number H8.4X269.5 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.