APG stocks the HS70237, an AS568-237 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, HNBR (Hydrogenated Nitrile) is specified for the oil resistance of nitrile with substantially better heat capability, excellent abrasion and tear strength. It resists ozone and weathering, sour gas and amine inhibitors, and modern refrigerants. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).
Common environments for this compound include commercial refrigeration, automotive air conditioning, and oilfield and downhole equipment.
This item is sold individually under part number HS70237. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description 568-237 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 3.359 inch (85.32 mm)
Actual Outside Diameter 3.637 inch (92.38 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium