Ordered as N70391, this is an AS568-391 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 21.953 in (557.61 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 22.373 in (568.27 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Neoprene (Chloroprene) is valued for dependable general-purpose sealing in exposed installations and good resilience across a moderate temperature band. It resists moderate petroleum oil exposure, mild acids, and ozone and weathering. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving chlorinated solvents or ketones call for a different compound.
Typical settings include general industrial, transit and rail, and HVAC and refrigeration.
This item is sold individually under part number N70391. Unit weight is approximately 55.3021 g and nominal inside diameter is listed as 22 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -391 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 21.953" (557.61MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 21.953 inch (557.61 mm)
Actual_OD 22.373 inch (568.27 mm)
ProductCode Description O-Rings - Bulk - Commodity