APG stocks the HS70449, an AS568-449 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 9.975 in (253.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.525 in (267.34 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
HNBR (Hydrogenated Nitrile) is specified here for excellent abrasion and tear strength, strong resistance to rapid gas decompression. Expect good resistance to petroleum oils and fuels, heat and oxidation, 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 automotive air conditioning, oilfield and downhole equipment, and heavy-duty powertrain.
Order part number HS70449, sold individually. Nominal inside diameter is listed as 10 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description 568-449 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 9.975 inch (253.37 mm)
Actual Outside Diameter 10.525 inch (267.34 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium