-272 BLACK BUNA 90D O-RING

Part number H90272 is an AS568-272 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 9.484 in (240.89 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.762 in (247.95 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material holds up against many alcohols, propane and butane, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.

Common environments for this compound include automotive, fluid power, and construction equipment.

Order part number H90272, sold individually. Unit weight is approximately 9.94 g and nominal inside diameter is listed as 9 1/2 inch. 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.