The N70040 is an AS568-040 black Neoprene (Chloroprene) 70 Shore A O-Ring supplied with an inside diameter of 2.864 in (72.75 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.004 in (76.3 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
Expect good resistance to mild acids, moderate petroleum oil exposure, and sunlight and salt spray. Neoprene (Chloroprene) delivers strong performance in refrigeration circuits and inherent flame-retarding characteristics. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or chlorinated solvents.
Typical settings include HVAC and refrigeration, general industrial, and transit and rail.
Order part number N70040, sold individually. Unit weight is approximately 0.81 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -040 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.070" (1.78MM) CS X 2.864" (72.75MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 2.864 inch (72.75 mm)
Actual_OD 3.004 inch (76.3 mm)
ProductCode Description O-Rings - Bulk - Commodity