-040 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 2.864 in ID x 0.07 CS, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
Neoprene (Chloropene)
Dash Size
40
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/16 inch
Nominal Inside Diameter
2 7/8 inch
Nominal Outside Diameter
3 inch
Unit of Measure
EA
SKU:
N70040

Product Specification

-
The N70040 is an AS568-040 black Neoprene (Chloroprene) 70 Shore A O-Ring supplied with an inside diameter of 2.864 in (72.75 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.004 in (76.3 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to mild acids, moderate petroleum oil exposure, and sunlight and salt spray. Neoprene (Chloroprene) delivers strong performance in refrigeration circuits and inherent flame-retarding characteristics. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or chlorinated solvents.

Typical settings include HVAC and refrigeration, general industrial, and transit and rail.

Order part number N70040, sold individually. Unit weight is approximately 0.81 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
N70040
Description
-040 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
2.864 inch (72.75 mm)
Actual Outside Diameter
3.004 inch (76.3 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity