The N70252 is an AS568-252 black Neoprene (Chloroprene) 70 Shore A O-Ring supplied with an inside diameter of 5.234 in (132.94 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.512 in (140 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Neoprene (Chloroprene) offers strong performance in refrigeration circuits and good resilience across a moderate temperature band. This material stands up to sunlight and salt spray, ozone and weathering, and mild acids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
Maintenance and OEM teams specify it across weather sealing and enclosures, marine equipment, and general industrial.
N70252 ships individually. Unit weight is approximately 5.8805 g. 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 -252 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 5.234 inch (132.94 mm)
Actual Outside Diameter 5.512 inch (140 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity