Ordered as E70353, this is an AS568-353 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
EPDM (EPR) is specified for outstanding weather, ozone and sunlight resistance, excellent hot water and steam resistance. It resists water and steam, ozone, UV and weathering, and dilute acids and alkalis. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. It should not be specified for service in petroleum oils and fuels or aromatic hydrocarbons.
Common environments for this compound include HVAC and refrigeration, brake and phosphate ester systems, and water and steam systems.
Order part number E70353, sold individually. Unit weight is approximately 10.81 g and nominal inside diameter is listed as 5 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -353 BLACK EPDM 70D O-RING
uf_description2 0.210" (5.33MM) CS X 4.975" (126.36MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.975 inch (126.37 mm)
Actual_OD 5.395 inch (137.03 mm)
ProductCode Description O-Rings - Bulk - Commodity