-227 BLACK BUNA 90D O-RING

Part number H90227 is an AS568-227 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 2.109 in (53.57 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.387 in (60.63 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, petroleum-based oils, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.

It sees regular use in automotive, fluid power, and hydraulic and pneumatic systems.

Reference part number H90227 when ordering; the item is sold individually. Unit weight is approximately 2.343 g and nominal inside diameter is listed as 2 1/8 inch. Review your operating media and conditions against this specification before installation.