APG stocks the HS70164, an AS568-164 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 6.237 in (158.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.443 in (163.65 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
HNBR (Hydrogenated Nitrile) is specified here for excellent abrasion and tear strength, long service life in refrigerant and oilfield duty. This material stands up to sour gas and amine inhibitors, modern refrigerants, and ozone and weathering. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).
Maintenance and OEM teams specify it across oilfield and downhole equipment, engine timing systems, and heavy-duty powertrain.
HS70164 ships individually. 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 *568-164 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 6.237 inch (158.42 mm)
Actual Outside Diameter 6.443 inch (163.65 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium