Ordered as HS70325, this is an AS568-325 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.475 in (37.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.895 in (48.13 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
HNBR (Hydrogenated Nitrile) is widely chosen for the oil resistance of nitrile with substantially better heat capability, long service life in refrigerant and oilfield duty. The material holds up against petroleum oils and fuels, heat and oxidation, and modern refrigerants. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with esters or ketones.
Typical settings include engine timing systems, automotive air conditioning, and commercial refrigeration.
Order part number HS70325, sold individually. Nominal inside diameter is listed as 1 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-325 GREEN HNBR (HSN) 70 ORINGS
uf_description2 1.475" (37.47MM) ID X .210" (5.33MM)
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.475 inch (37.47 mm)
Actual_OD 1.895 inch (48.13 mm)
ProductCode Description O-Rings - Bulk - Premium