Ordered as HS70031, this is an AS568-031 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.739 in (44.17 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.879 in (47.73 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
This material stands up to ozone and weathering, modern refrigerants, and petroleum oils and fuels. HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression, excellent abrasion and tear strength. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).
You will find this material specified across automotive air conditioning, engine timing systems, and heavy-duty powertrain.
Order part number HS70031, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Description 568-031 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 1.739 inch (44.17 mm)
Actual Outside Diameter 1.879 inch (47.73 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium