-253 BLACK CHLOROPRENE 70D O-RING

This o-ring is supplied in AS568-253 black Neoprene (Chloroprene) 70 Shore A measuring an inside diameter of 5.359 in (136.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.637 in (143.18 mm), catalogued under part number N70253. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Neoprene (Chloroprene) is specified here for balanced combination of oil and weather resistance, inherent flame-retarding characteristics. This material stands up to moderate petroleum oil exposure, ozone and weathering, and sunlight and salt spray. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in chlorinated solvents or ketones.

Maintenance and OEM teams specify it across marine equipment, transit and rail, and general industrial.

This item is sold individually under part number N70253. Unit weight is approximately 6.0435 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.