568-139 GREEN HNBR (HSN) 70 ORINGS

Ordered as HS70139, this is an AS568-139 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.175 in (55.25 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.381 in (60.48 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

HNBR (Hydrogenated Nitrile) is specified here for strong resistance to rapid gas decompression and oil resistance of nitrile with substantially better heat capability. The material holds up against sour gas and amine inhibitors, petroleum oils and fuels, and ozone and weathering. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. It is not the right choice where ketones or strong oxidizing acids are present.

You will find this material specified across commercial refrigeration, oilfield and downhole equipment, and heavy-duty powertrain.

Reference part number HS70139 when ordering; the item is sold individually. Nominal inside diameter is listed as 2 3/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.