-172 BLACK CHLOROPRENE 70D O-RING

This o-ring is supplied in AS568-172 black Neoprene (Chloroprene) 70 Shore A with an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm), catalogued under part number N70172. It compresses into its gland to block fluid or gas migration across a joint.

The material holds up against mild acids, refrigerants and ammonia, and ozone and weathering. Neoprene (Chloroprene) delivers dependable general-purpose sealing in exposed installations, a balanced combination of oil and weather resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where aromatic hydrocarbons or strong oxidizing acids are present.

Maintenance and OEM teams specify it across general industrial, HVAC and refrigeration, and weather sealing and enclosures.

N70172 ships individually. Unit weight is approximately 5.01 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.