Ordered as E70NSF123, this is an AS568-123 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 1.174 in (29.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.38 in (35.05 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
It resists ketones, ozone, UV and weathering, and phosphate ester hydraulic fluids. EPDM (EPR) is widely chosen for very good flexibility at low temperature, excellent hot water and steam resistance. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C). Verify compatibility before use with mineral oil-based lubricants or petroleum oils and fuels.
The compound meets FDA requirements for food contact and carries NSF listing. It sees regular use in HVAC and refrigeration, outdoor equipment, and brake and phosphate ester systems.
Order part number E70NSF123, sold individually. Unit weight is approximately 0.638 g and nominal inside diameter is listed as 1 3/16 inch. Review your operating media and conditions against this specification before installation.
Description -123 BLACK EPDM 70D NSF O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 1.174 inch (29.82 mm)
Actual Outside Diameter 1.38 inch (35.05 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable