This o-ring is supplied in AS568-465 black EPDM (EPR) 70 Shore A supplied with an inside diameter of 17.955 in (456.06 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 18.505 in (470.03 mm), catalogued under part number E70465. It compresses into its gland to block fluid or gas migration across a joint.
This material stands up to water and steam, brake fluid, and phosphate ester hydraulic fluids. That behavior comes from the compound itself: EPDM (EPR) is valued for good electrical insulating characteristics, outstanding weather, ozone and sunlight resistance. Continuous operating temperature is published at -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.
Common environments for this compound include solar and roofing assemblies, brake and phosphate ester systems, and HVAC and refrigeration.
Order part number E70465, sold individually. Unit weight is approximately 67.61 g and nominal inside diameter is listed as 18 inch. Review your operating media and conditions against this specification before installation.
description -465 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 17.955" (456.06MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 17.955 inch (456.06 mm)
Actual_OD 18.505 inch (470.03 mm)
ProductCode Description O-Rings - Bulk - Commodity