The N70277 is an AS568-277 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 11.484 in (291.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.762 in (298.75 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Neoprene (Chloroprene) is widely chosen for dependable general-purpose sealing in exposed installations, a balanced combination of oil and weather resistance. Expect good resistance to refrigerants and ammonia, sunlight and salt spray, and moderate petroleum oil exposure. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong oxidizing acids or chlorinated solvents.
You will find this material specified across weather sealing and enclosures, transit and rail, and marine equipment.
Stocked as N70277 and sold individually. Unit weight is approximately 12.721 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description -277 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 11.484 inch (291.69 mm)
Actual Outside Diameter 11.762 inch (298.75 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity