-447 BLACK BUNA 90D O-RING

H90447 is an AS568-447 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 8.975 in (227.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 9.525 in (241.94 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. This material stands up to water, propane and butane, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across automotive, general industrial maintenance, and agricultural equipment.

Order part number H90447, sold individually. Unit weight is approximately 36.165 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.