-321 BLACK CHLOROPRENE 70D O-RING

The N70321 is an AS568-321 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 1.162 in (29.51 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.582 in (40.18 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to ozone and weathering, moderate petroleum oil exposure, and refrigerants and ammonia. That behavior comes from the compound itself: Neoprene (Chloroprene) delivers inherent flame-retarding characteristics and dependable general-purpose sealing in exposed installations. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Typical settings include transit and rail, HVAC and refrigeration, and general industrial.

Stocked as N70321 and sold individually. Unit weight is approximately 3.4226 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.