568-206 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-206 green HNBR (Hydrogenated Nitrile) 70 Shore A with an inside diameter of 0.484 in (12.29 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.762 in (19.35 mm), catalogued under part number HS70206. It creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) is specified here for strong resistance to rapid gas decompression, excellent abrasion and tear strength. The material holds up against modern refrigerants, ozone and weathering, and sour gas and amine inhibitors. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service.

It sees regular use in heavy-duty powertrain, oilfield and downhole equipment, and engine timing systems.

Reference part number HS70206 when ordering; the item is sold individually. Nominal inside diameter is listed as 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.