-328 BLACK CHLOROPRENE 70D O-RING

Part number N70328 is an AS568-328 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 1.85 in (46.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.27 in (57.66 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists mild acids, refrigerants and ammonia, and sunlight and salt spray. Neoprene (Chloroprene) is known for inherent flame-retarding characteristics, a balanced combination of oil and weather resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with chlorinated solvents or ketones.

You will find this material specified across marine equipment, general industrial, and HVAC and refrigeration.

Reference part number N70328 when ordering; the item is sold individually. Unit weight is approximately 5.1261 g and nominal inside diameter is listed as 1 7/8 inch. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.