568-249 GREEN HNBR (HSN) 70 ORINGS

Ordered as HS70249, this is an AS568-249 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 4.859 in (123.42 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.137 in (130.48 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

HNBR (Hydrogenated Nitrile) is known for strong resistance to rapid gas decompression, long service life in refrigerant and oilfield duty. It resists 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. Verify compatibility before use with esters or chlorinated hydrocarbons.

You will find this material specified across heavy-duty powertrain, automotive air conditioning, and engine timing systems.

Stocked as HS70249 and sold individually. Review your operating media and conditions against this specification before installation.