This o-ring is supplied in AS568-448 green HNBR (Hydrogenated Nitrile) 90 Shore A measuring an inside diameter of 9.475 in (240.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.025 in (254.64 mm), catalogued under part number HSN90448. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, HNBR (Hydrogenated Nitrile) is specified for the oil resistance of nitrile with substantially better heat capability, improved ozone and weathering resistance over standard nitrile. The material holds up against petroleum oils and fuels, heat and oxidation, and ozone and weathering. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. It should not be specified for service in esters or chlorinated hydrocarbons.
Common environments for this compound include engine timing systems, heavy-duty powertrain, and commercial refrigeration.
Order part number HSN90448, sold individually. Review your operating media and conditions against this specification before installation.
description 568-448 HSN90 DURO ORINGS
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 9.475 inch (240.67 mm)
Actual_OD 10.025 inch (254.64 mm)
ProductCode Description O-Rings - Bulk - Premium