APG stocks the N70220, an AS568-220 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 1.359 in (34.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.637 in (41.58 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Expect good resistance to mild acids, ozone and weathering, and sunlight and salt spray. That behavior comes from the compound itself: Neoprene (Chloroprene) offers a balanced combination of oil and weather resistance, good resilience across a moderate temperature band. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in aromatic hydrocarbons or strong oxidizing acids.
It sees regular use in general industrial, weather sealing and enclosures, and HVAC and refrigeration.
This item is sold individually under part number N70220. Unit weight is approximately 1.64 g and nominal inside diameter is listed as 1 3/8 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -220 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.139" (3.53MM) CS X 1.359" (34.52MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.359 inch (34.52 mm)
Actual_OD 1.637 inch (41.58 mm)
ProductCode Description O-Rings - Bulk - Commodity