N70310 is an AS568-310 black Neoprene (Chloroprene) 70 Shore A O-Ring with an inside diameter of 0.475 in (12.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 0.895 in (22.73 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to sunlight and salt spray, moderate petroleum oil exposure, and mild acids. Neoprene (Chloroprene) is valued for inherent flame-retarding characteristics and good resilience across a moderate temperature band. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include weather sealing and enclosures, HVAC and refrigeration, and marine equipment.
This item is sold individually under part number N70310. Unit weight is approximately 1.7093 g and nominal inside diameter is listed as 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -310 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 0.475 inch (12.07 mm)
Actual Outside Diameter 0.895 inch (22.73 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity