-249 BLACK CHLOROPRENE 70D O-RING

N70249 is an AS568-249 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 4.859 in (123.42 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.137 in (130.48 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to moderate petroleum oil exposure, refrigerants and ammonia, and sunlight and salt spray. Neoprene (Chloroprene) is widely chosen for strong performance in refrigeration circuits and dependable general-purpose sealing in exposed installations. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with aromatic hydrocarbons or chlorinated solvents.

You will find this material specified across HVAC and refrigeration, transit and rail, and weather sealing and enclosures.

Reference part number N70249 when ordering; the item is sold individually. Unit weight is approximately 5.4702 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.