Ordered as E5.7X139.3, this is a black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 139.3 mm (5.484 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 150.7 mm (5.93 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The compound resists water and steam, dilute acids and alkalis, and phosphate ester hydraulic fluids. EPDM (EPR) is valued for strong performance in outdoor and exposed installations, very good flexibility at low temperature. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C).
Common environments for this compound include water and steam systems, outdoor equipment, and potable water applications.
Stocked as E5.7X139.3 and sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.
Description 5.7MM CS X 139.3MM ID BLACK EPDM 70D
Actual Outside Diameter 150.7 mm (5.93 inch)
Actual Cross Section 5.7 mm (0.224 inch)
Actual Inside Diameter 139.3 mm (5.484 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity