Ordered as N70209, this is an AS568-209 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 0.671 in (17.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.949 in (24.1 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Neoprene (Chloroprene) is known for good resilience across a moderate temperature band and dependable general-purpose sealing in exposed installations. The material holds up against mild acids, refrigerants and ammonia, and ozone and weathering. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong oxidizing acids or chlorinated solvents.
Common environments for this compound include transit and rail, marine equipment, and HVAC and refrigeration.
Stocked as N70209 and sold individually. Unit weight is approximately 0.89 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -209 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.139" (3.53MM) CS X 0.671" (17.04MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.671 inch (17.04 mm)
Actual_OD 0.949 inch (24.1 mm)
ProductCode Description O-Rings - Bulk - Commodity