-439 BLACK CHLOROPRENE 70D O-RING

N70439 is an AS568-439 black Neoprene (Chloroprene) 70 Shore A O-Ring supplied with an inside diameter of 6.475 in (164.47 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.025 in (178.44 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists refrigerants and ammonia, mild acids, and sunlight and salt spray. That behavior comes from the compound itself: Neoprene (Chloroprene) offers strong performance in refrigeration circuits and dependable general-purpose sealing in exposed installations. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving chlorinated solvents or aromatic hydrocarbons call for a different compound.

Typical settings include weather sealing and enclosures, general industrial, and marine equipment.

Reference part number N70439 when ordering; the item is sold individually. Unit weight is approximately 28.9696 g. Review your operating media and conditions against this specification before installation.