-233 BLACK EPDM 70D NSF O-RING

EPDM O-Ring, 2.859 in ID x 0.139 CS, 70A, Black, FDA/NSF, -65 to 300°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
EPDM (EPR)
Dash Size
233
Durometer
70 Shore D
Cross Section Type
Round
Color
Black
Minimum Temperature
-65°F (-53.9°C)
Maximum Temperature
300°F (149°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
2 7/8 inch
Nominal Outside Diameter
3 1/8 inch
Unit of Measure
EA
SKU:
E70NSF233

Product Specification

-
Part number E70NSF233 is an AS568-233 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 2.859 in (72.62 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.137 in (79.68 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

The material holds up against dilute acids and alkalis, ozone, UV and weathering, and ketones. That behavior comes from the compound itself: EPDM (EPR) is specified for strong performance in outdoor and exposed installations, good electrical insulating characteristics. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C).

This o-ring meets FDA requirements for food contact and carries NSF listing. It sees regular use in brake and phosphate ester systems, water and steam systems, and potable water applications.

This item is sold individually under part number E70NSF233. Unit weight is approximately 2.641 g and nominal inside diameter is listed as 2 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
E70NSF233
Description
-233 BLACK EPDM 70D NSF O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
2.859 inch (72.62 mm)
Actual Outside Diameter
3.137 inch (79.68 mm)
FDA Compliant
Yes
Measurement System
Imperial
Metal Detectable
No
NSF Certified
Yes
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable