APG stocks the N70441, an AS568-441 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 6.975 in (177.17 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.525 in (191.14 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
This material stands up to moderate petroleum oil exposure, sunlight and salt spray, and ozone and weathering. Neoprene (Chloroprene) is specified for a balanced combination of oil and weather resistance, strong performance in refrigeration circuits. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong oxidizing acids or ketones call for a different compound.
You will find this material specified across transit and rail, weather sealing and enclosures, and marine equipment.
Reference part number N70441 when ordering; the item is sold individually. Unit weight is approximately 31.1153 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description -441 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.275" (6.99MM) CS X 6.975" (177.16MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 6.975 inch (177.17 mm)
Actual_OD 7.525 inch (191.14 mm)
ProductCode Description O-Rings - Bulk - Commodity