AJR Seals list of available in-stock inventory of standard AS 568-series o-rings in Hydrogenated Nitrile (HNBR) 70 shore green; widely known for its physical strength and retention of properties after long term exposure to heat, oil and chemicals. Generally made in green to distinguish from Nitrile. Offers excellent resistance to automotive fluids and industrial chemicals, improved oxidation resistance, greater tensile strength, broader chemical resistance, greeter thermal stability compared to Nitrile. Temp. Range: -40˚F to 320˚F (-25˚C to 160˚C). Other quantities, sizes and materials are available to be ordered. Use the drop down menu to check additional inventory or the link in top menu to request a quote.