568-913 GREEN HNBR (HSN) 70 ORINGS

APG stocks the HS70913, an AS568-913 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 0.986 in (25.04 mm), a cross section of 0.116 in (2.95 mm), and an outside diameter of 1.218 in (30.94 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression, long service life in refrigerant and oilfield duty. This material stands up to ozone and weathering, modern refrigerants, and petroleum oils and fuels. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with chlorinated hydrocarbons or strong oxidizing acids.

Maintenance and OEM teams specify it across automotive air conditioning, heavy-duty powertrain, and commercial refrigeration.

Reference part number HS70913 when ordering; the item is sold individually. Nominal inside diameter is listed as 13/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.