E70430 is an AS568-430 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 5.1 in (129.54 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.65 in (143.51 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.
EPDM (EPR) is known for outstanding weather, ozone and sunlight resistance, very good flexibility at low temperature. This material stands up to phosphate ester hydraulic fluids, water and steam, and brake fluid. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). It is not the right choice where mineral oil-based lubricants or aromatic hydrocarbons are present.
It sees regular use in potable water applications, outdoor equipment, and brake and phosphate ester systems.
Stocked as E70430 and sold individually. Unit weight is approximately 19.25 g. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -430 BLACK EPDM 70D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 5.1 inch (129.54 mm)
Actual Outside Diameter 5.65 inch (143.51 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity