Ordered as E70238, this is an AS568-238 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 3.484 in (88.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.762 in (95.55 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The compound resists ozone, UV and weathering, phosphate ester hydraulic fluids, and brake fluid. EPDM (EPR) is known for very good flexibility at low temperature, outstanding weather, ozone and sunlight resistance. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C).
Typical settings include brake and phosphate ester systems, outdoor equipment, and solar and roofing assemblies.
Stocked as E70238 and sold individually. Unit weight is approximately 3.427 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -238 BLACK EPDM 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 3.484 inch (88.49 mm)
Actual Outside Diameter 3.762 inch (95.55 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity