568-406 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-406 green HNBR (Hydrogenated Nitrile) 70 Shore A supplied with an inside diameter of 2.1 in (53.34 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.65 in (67.31 mm), catalogued under part number HS70406. It compresses into its gland to block fluid or gas migration across a joint.

The material holds up against modern refrigerants, petroleum oils and fuels, and ozone and weathering. HNBR (Hydrogenated Nitrile) is valued for excellent abrasion and tear strength, the oil resistance of nitrile with substantially better heat capability. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service.

Maintenance and OEM teams specify it across commercial refrigeration, engine timing systems, and automotive air conditioning.

Reference part number HS70406 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.