-238 BLACK CHLOROPRENE 70D O-RING

APG stocks the N70238, an AS568-238 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 3.484 in (88.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.762 in (95.55 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Neoprene (Chloroprene) is specified here for dependable general-purpose sealing in exposed installations, balanced combination of oil and weather resistance. Expect good resistance to sunlight and salt spray, moderate petroleum oil exposure, and refrigerants and ammonia. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong oxidizing acids or aromatic hydrocarbons are present.

It sees regular use in general industrial, weather sealing and enclosures, and HVAC and refrigeration.

This item is sold individually under part number N70238. Unit weight is approximately 3.977 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.