Part number N70353 is an AS568-353 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Neoprene (Chloroprene) is specified here for good resilience across a moderate temperature band, balanced combination of oil and weather resistance. This material stands up to mild acids, sunlight and salt spray, and ozone and weathering. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in chlorinated solvents or strong oxidizing acids.
You will find this material specified across general industrial, HVAC and refrigeration, and transit and rail.
Order part number N70353, sold individually. Unit weight is approximately 12.9379 g and nominal inside diameter is listed as 5 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -353 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 4.975" (126.36MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.975 inch (126.37 mm)
Actual_OD 5.395 inch (137.03 mm)
ProductCode Description O-Rings - Bulk - Commodity