The E1.9X4.8 is a black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 4.8 mm (0.189 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 8.6 mm (0.34 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies. Supplementary detail from the product record: Metric O-RING, JIS P5.
It resists phosphate ester hydraulic fluids, brake fluid, and ketones. EPDM (EPR) offers excellent hot water and steam resistance, good electrical insulating characteristics. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). Verify compatibility before use with mineral oil-based lubricants or aromatic hydrocarbons.
Typical settings include brake and phosphate ester systems, potable water applications, and solar and roofing assemblies.
Order part number E1.9X4.8, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description 1.9MM CS X 4.8MM ID BLACK EPDM 70D
Actual Outside Diameter 8.6 mm (0.34 inch)
Actual Cross Section 1.9 mm (0.075 inch)
Actual Inside Diameter 4.8 mm (0.189 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity