568-426 HSN90 DURO ORINGS

The HSN90426 is an AS568-426 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 4.6 in (116.84 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.15 in (130.81 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) offers improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. It resists heat and oxidation, ozone and weathering, and sour gas and amine inhibitors. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

Common environments for this compound include heavy-duty powertrain, oilfield and downhole equipment, and engine timing systems.

Reference part number HSN90426 when ordering; the item is sold individually. 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.