-458 BLACK BUNA 90D O-RING

APG stocks the H90458, an AS568-458 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 14.475 in (367.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 15.025 in (381.64 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, low compression set under sustained load. Expect good resistance to propane and butane, hydraulic fluids, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.

It sees regular use in agricultural equipment, fluid power, and automotive.

Order part number H90458, sold individually. Unit weight is approximately 59.29 g and nominal inside diameter is listed as 14 1/2 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.