Ordered as N70437, this is an AS568-437 black Neoprene (Chloroprene) 70 Shore A O-Ring with an inside diameter of 5.975 in (151.77 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.525 in (165.74 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Neoprene (Chloroprene) is specified here for balanced combination of oil and weather resistance, good resilience across a moderate temperature band. The material holds up against moderate petroleum oil exposure, sunlight and salt spray, and mild acids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where aromatic hydrocarbons or chlorinated solvents are present.
Common environments for this compound include weather sealing and enclosures, general industrial, and HVAC and refrigeration.
This item is sold individually under part number N70437. Unit weight is approximately 26.8238 g. Check the compound against your process media, pressure and temperature before committing to a design.
description -437 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.275" (6.99MM) CS X 5.975" (151.76MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 5.975 inch (151.77 mm)
Actual_OD 6.525 inch (165.74 mm)
ProductCode Description O-Rings - Bulk - Commodity