-045 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 3.989 in ID x 0.07 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Neoprene (Chloropene)
Dash Size
45
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
4 inch
Nominal Outside Diameter
4 1/8 inch
Unit of Measure
EA
SKU:
N70045
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Product Specification

-
This o-ring is supplied in AS568-045 black Neoprene (Chloroprene) 70 Shore A measuring an inside diameter of 3.989 in (101.32 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.129 in (104.88 mm), catalogued under part number N70045. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Neoprene (Chloroprene) is widely chosen for a balanced combination of oil and weather resistance, dependable general-purpose sealing in exposed installations. The material holds up against ozone and weathering, moderate petroleum oil exposure, and refrigerants and ammonia. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong oxidizing acids or chlorinated solvents.

It sees regular use in general industrial, transit and rail, and HVAC and refrigeration.

Stocked as N70045 and sold individually. Unit weight is approximately 1.13 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
N70045
Description
-045 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
3.989 inch (101.32 mm)
Actual Outside Diameter
4.129 inch (104.88 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity