-911 BLACK BUNA 90D O-RING

APG stocks the H90911, an AS568-911 black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 0.863 in (21.92 mm), a cross section of 0.116 in (2.95 mm), and an outside diameter of 1.095 in (27.81 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. Expect good resistance to greases and lubricants, petroleum-based oils, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.

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

Order part number H90911, sold individually. Unit weight is approximately 0.72 g and nominal inside diameter is listed as 11/16 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.