568-417 HSN90 DURO ORINGS

This o-ring is supplied in AS568-417 green HNBR (Hydrogenated Nitrile) 90 Shore A measuring an inside diameter of 3.475 in (88.27 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.025 in (102.24 mm), catalogued under part number HSN90417. It creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against modern refrigerants, ozone and weathering, and heat and oxidation. HNBR (Hydrogenated Nitrile) is valued for long service life in refrigerant and oilfield duty, excellent abrasion and tear strength. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

Common environments for this compound include oilfield and downhole equipment, commercial refrigeration, and engine timing systems.

Order part number HSN90417, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.