This o-ring is supplied in AS568-464 green HNBR (Hydrogenated Nitrile) 90 Shore A measuring an inside diameter of 17.455 in (443.36 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 18.005 in (457.33 mm), catalogued under part number HSN90464. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression, excellent abrasion and tear strength. It resists ozone and weathering, modern refrigerants, and petroleum oils and fuels. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). It is not the right choice where ketones or strong oxidizing acids are present.
You will find this material specified across engine timing systems, heavy-duty powertrain, and oilfield and downhole equipment.
HSN90464 ships individually. Nominal inside diameter is listed as 17 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description 568-464 HSN90 DURO ORINGS
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 17.455 inch (443.36 mm)
Actual_OD 18.005 inch (457.33 mm)
ProductCode Description O-Rings - Bulk - Premium