APG stocks the E80PC254, an AS568-254 black EPDM (EPR) 80 Shore A O-Ring built to an inside diameter of 5.484 in (139.29 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.762 in (146.35 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, good electrical insulating characteristics. The compound resists ozone, UV and weathering, brake fluid, and dilute acids and alkalis. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C).
Common environments for this compound include potable water applications, brake and phosphate ester systems, and HVAC and refrigeration.
Stocked as E80PC254 and sold individually. Nominal inside diameter is listed as 5 1/2 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -254 BLACK EPDM 80D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 5.484 inch (139.29 mm)
Actual Outside Diameter 5.762 inch (146.35 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity