Part number E4X38 is a black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 38 mm (1.496 in), a cross section of 4 mm (0.157 in), and an outside diameter of 46 mm (1.81 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
EPDM (EPR) is specified here for outstanding weather, ozone and sunlight resistance, excellent hot water and steam resistance. It resists ketones, brake fluid, and dilute acids and alkalis. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C). Verify compatibility before use with petroleum oils and fuels or aromatic hydrocarbons.
Typical settings include brake and phosphate ester systems, outdoor equipment, and HVAC and refrigeration.
Stocked as E4X38 and sold individually. Review your operating media and conditions against this specification before installation.
Description 4MM CS X 38MM ID BLACK EPDM 70D
Actual Outside Diameter 46 mm (1.81 inch)
Actual Cross Section 4 mm (0.157 inch)
Actual Inside Diameter 38 mm (1.496 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity