Ordered as N70204, this is an AS568-204 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 0.359 in (9.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.637 in (16.18 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Neoprene (Chloroprene) delivers a balanced combination of oil and weather resistance, inherent flame-retarding characteristics. This material stands up to ozone and weathering, sunlight and salt spray, and mild acids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in chlorinated solvents or ketones.
You will find this material specified across HVAC and refrigeration, general industrial, and transit and rail.
This item is sold individually under part number N70204. Unit weight is approximately 0.55 g and nominal inside diameter is listed as 3/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -204 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.139" (3.53MM) CS X 0.359" (9.12MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.359 inch (9.12 mm)
Actual_OD 0.637 inch (16.18 )
ProductCode Description O-Rings - Bulk - Commodity