-209 BLACK BUNA 90D O-RING

This o-ring is supplied in AS568-209 black Buna-N (Nitrile) 90 Shore A with an inside diameter of 0.671 in (17.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.949 in (24.1 mm), catalogued under part number H90209. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

This material stands up to water, many alcohols, and petroleum-based oils. Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or automotive brake fluid.

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

Order part number H90209, sold individually. Unit weight is approximately 0.8547 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.