N70255 is an AS568-255 black Neoprene (Chloroprene) 70 Shore A O-Ring supplied with an inside diameter of 5.609 in (142.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.887 in (149.53 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Neoprene (Chloroprene) is specified for good resilience across a moderate temperature band, a balanced combination of oil and weather resistance. Expect good resistance to sunlight and salt spray, mild acids, and moderate petroleum oil exposure. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ketones or aromatic hydrocarbons are present.
Typical settings include HVAC and refrigeration, marine equipment, and transit and rail.
This item is sold individually under part number N70255. Unit weight is approximately 6.2911 g and nominal inside diameter is listed as 5 5/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -255 BLACK CHLOROPRENE 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 5.609 inch (142.47 mm)
Actual Outside Diameter 5.887 inch (149.53 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity