Part number E5.7X399.3 is a black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 399.3 mm (15.72 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 410.7 mm (16.17 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: Metric O-RING, JIS G400.
This material stands up to phosphate ester hydraulic fluids, ozone, UV and weathering, and brake fluid. EPDM (EPR) is known for strong performance in outdoor and exposed installations, good electrical insulating characteristics. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in mineral oil-based lubricants or aromatic hydrocarbons.
It sees regular use in HVAC and refrigeration, outdoor equipment, and brake and phosphate ester systems.
This item is sold individually under part number E5.7X399.3. Check the compound against your process media, pressure and temperature before committing to a design.
Description 5.7MM CS X 399.3MM ID BLACK EPDM 70D
Actual Outside Diameter 410.7 mm (16.17 inch)
Actual Cross Section 5.7 mm (0.224 inch)
Actual Inside Diameter 399.3 mm (15.72 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity