This o-ring is supplied in AS568-318 black Neoprene (Chloroprene) 70 Shore A measuring an inside diameter of 0.975 in (24.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.395 in (35.43 mm), catalogued under part number N70318. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Neoprene (Chloroprene) offers dependable general-purpose sealing in exposed installations and inherent flame-retarding characteristics. This material stands up to sunlight and salt spray, ozone and weathering, and mild acids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or strong oxidizing acids are present.
You will find this material specified across weather sealing and enclosures, HVAC and refrigeration, and general industrial.
Reference part number N70318 when ordering; the item is sold individually. Unit weight is approximately 3.0181 g and nominal inside diameter is listed as 1 inch. Review your operating media and conditions against this specification before installation.
description -318 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 0.975" (24.77MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 0.975 inch (24.77 mm)
Actual_OD 1.395 inch (35.43 mm)
ProductCode Description O-Rings - Bulk - Commodity