This o-ring is supplied in AS568-121 black EPDM (EPR) 70 Shore A supplied with an inside diameter of 1.049 in (26.64 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.255 in (31.88 mm), catalogued under part number E70NSF121. It remains the most cost-effective sealing element available for pressurized assemblies.
EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, outstanding weather, ozone and sunlight resistance. The material holds up against water and steam, phosphate ester hydraulic fluids, and brake fluid. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). Verify compatibility before use with petroleum oils and fuels or aromatic hydrocarbons.
This o-ring meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include outdoor equipment, potable water applications, and water and steam systems.
This item is sold individually under part number E70NSF121. Unit weight is approximately 0.585 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -121 BLACK EPDM 70D NSF O-RING
uf_description2 0.103" (2.62MM) CS X 1.049" (26.64MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 1.049 inch (26.64 mm)
Actual_OD 1.255 inch (31.88 mm)
ProductCode Description O-Rings - FDA / Metal Detectable