-442 BLACK EPDM 70D NSF O-RING

EPDM O-Ring, 7.225 in ID x 0.275 CS, 70A, Black, FDA/NSF, -65 to 300°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
EPDM (EPR)
Dash Size
442
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
1/4 inch
Nominal Inside Diameter
7 1/4 inch
Nominal Outside Diameter
7 3/4 inch
Unit of Measure
EA
SKU:
E70NSF442

Product Specification

-
The E70NSF442 is an AS568-442 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 7.225 in (183.52 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.775 in (197.49 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, good electrical insulating characteristics. This material stands up to dilute acids and alkalis, ketones, and ozone, UV and weathering. Continuous operating temperature is published at -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.

This item meets FDA requirements for food contact and carries NSF listing. You will find this material specified across HVAC and refrigeration, solar and roofing assemblies, and potable water applications.

E70NSF442 ships individually. Unit weight is approximately 26.529 g and nominal inside diameter is listed as 7 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
E70NSF442
Description
-442 BLACK EPDM 70D NSF O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
7.225 inch (183.52 mm)
Actual Outside Diameter
7.775 inch (197.49 mm)
FDA Compliant
Yes
Measurement System
Imperial
Metal Detectable
No
NSF Certified
Yes
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable