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.
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)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity