The N70425 is an AS568-425 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 4.475 in (113.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.025 in (127.64 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Neoprene (Chloroprene) is valued for dependable general-purpose sealing in exposed installations, a balanced combination of oil and weather resistance. It resists sunlight and salt spray, refrigerants and ammonia, and mild acids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in aromatic hydrocarbons or ketones.
You will find this material specified across HVAC and refrigeration, transit and rail, and general industrial.
Stocked as N70425 and sold individually. Unit weight is approximately 20.3865 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -425 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.275" (6.99MM) CS X 4.475" (113.67MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 4.475 inch (113.67 mm)
Actual_OD 5.025 inch (127.64 mm)
ProductCode Description O-Rings - Bulk - Commodity