-342 BLACK EPDM 70D NSF O-RING

E70NSF342 is an AS568-342 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 3.6 in (91.44 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.02 in (102.11 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

EPDM (EPR) offers strong performance in outdoor and exposed installations, excellent hot water and steam resistance. It resists ozone, UV and weathering, ketones, and dilute acids and alkalis. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C). It should not be specified for service in petroleum oils and fuels or aromatic hydrocarbons.

The compound meets FDA requirements for food contact and carries NSF listing. It sees regular use in solar and roofing assemblies, water and steam systems, and brake and phosphate ester systems.

E70NSF342 ships individually. Unit weight is approximately 7.819 g and nominal inside diameter is listed as 3 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.