-043 BLACK CHLOROPRENE 70D O-RING

Neoprene O-Ring, 3.489 in ID x 0.07 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Neoprene (Chloropene)
Dash Size
43
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
3 1/2 inch
Nominal Outside Diameter
3 5/8 inch
Unit of Measure
EA
SKU:
N70043
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Product Specification

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This o-ring is supplied in AS568-043 black Neoprene (Chloroprene) 70 Shore A measuring an inside diameter of 3.489 in (88.62 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.629 in (92.18 mm), catalogued under part number N70043. It remains the most cost-effective sealing element available for pressurized assemblies.

Neoprene (Chloroprene) is valued for a balanced combination of oil and weather resistance, inherent flame-retarding characteristics. This material stands up to refrigerants and ammonia, ozone and weathering, and sunlight and salt spray. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in transit and rail, HVAC and refrigeration, and marine equipment.

Stocked as N70043 and sold individually. Unit weight is approximately 0.99 g and nominal inside diameter is listed as 3 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
N70043
Description
-043 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
3.489 inch (88.62 mm)
Actual Outside Diameter
3.629 inch (92.18 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity