APG stocks the HS70176, an AS568-176 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 9.237 in (234.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.443 in (239.85 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
HNBR (Hydrogenated Nitrile) is valued for the oil resistance of nitrile with substantially better heat capability and strong resistance to rapid gas decompression. It resists ozone and weathering, modern refrigerants, and petroleum oils and fuels. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with chlorinated hydrocarbons or strong oxidizing acids.
Typical settings include engine timing systems, heavy-duty powertrain, and automotive air conditioning.
This item is sold individually under part number HS70176. Nominal inside diameter is listed as 9 1/4 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description 568-176 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 9.237 inch (234.62 mm)
Actual Outside Diameter 9.443 inch (239.85 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium