-253 BLACK EPDM 80D O-RING

Part number E80PC253 is an AS568-253 black EPDM (EPR) 80 Shore A O-Ring with 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). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, outstanding weather, ozone and sunlight resistance. The compound resists phosphate ester hydraulic fluids, brake fluid, and ozone, UV and weathering. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. It is not the right choice where mineral oil-based lubricants or aromatic hydrocarbons are present.

It sees regular use in solar and roofing assemblies, outdoor equipment, and water and steam systems.

E80PC253 ships individually. Nominal inside diameter is listed as 5 3/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.