The N70418 is an AS568-418 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 3.6 in (91.44 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.15 in (105.41 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Neoprene (Chloroprene) is specified for strong performance in refrigeration circuits, a balanced combination of oil and weather resistance. The material holds up against ozone and weathering, moderate petroleum oil exposure, and refrigerants and ammonia. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
It sees regular use in weather sealing and enclosures, transit and rail, and marine equipment.
This item is sold individually under part number N70418. Review your operating media and conditions against this specification before installation.
Description -418 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 3.6 inch (91.44 mm)
Actual Outside Diameter 4.15 inch (105.41 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity