APG stocks the HS70352, an AS568-352 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.85 in (123.19 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.27 in (133.86 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
It resists modern refrigerants, petroleum oils and fuels, and ozone and weathering. HNBR (Hydrogenated Nitrile) is specified for the oil resistance of nitrile with substantially better heat capability, improved ozone and weathering resistance over standard nitrile. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in esters or strong oxidizing acids.
Maintenance and OEM teams specify it across automotive air conditioning, heavy-duty powertrain, and commercial refrigeration.
Order part number HS70352, sold individually. Review your operating media and conditions against this specification before installation.
Description 568-352 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 4.85 inch (123.19 mm)
Actual Outside Diameter 5.27 inch (133.86 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium