*568-247 BLACK HNBR HSN70 O-Ring

Ordered as HSN70247, this is an AS568-247 black HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 4.609 in (117.07 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.887 in (124.13 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

HNBR (Hydrogenated Nitrile) delivers improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. The compound resists petroleum oils and fuels, sour gas and amine inhibitors, and heat and oxidation. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

It sees regular use in oilfield and downhole equipment, automotive air conditioning, and heavy-duty powertrain.

Reference part number HSN70247 when ordering; the item is sold individually. Unit weight is approximately 4.4041 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.