The N70387 is an AS568-387 black Neoprene (Chloroprene) 70 Shore A O-Ring supplied with an inside diameter of 17.955 in (456.06 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 18.375 in (466.73 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Neoprene (Chloroprene) offers a balanced combination of oil and weather resistance, dependable general-purpose sealing in exposed installations. The material holds up against moderate petroleum oil exposure, sunlight and salt spray, and mild acids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with aromatic hydrocarbons or strong oxidizing acids.
It sees regular use in weather sealing and enclosures, general industrial, and transit and rail.
Reference part number N70387 when ordering; the item is sold individually. Unit weight is approximately 45.326 g and nominal inside diameter is listed as 18 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description -387 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 17.955" (456.06MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 17.955 inch (456.06 mm)
Actual_OD 18.375 inch (466.73 mm)
ProductCode Description O-Rings - Bulk - Commodity