Ordered as N70161, this is an AS568-161 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 5.487 in (139.37 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 5.693 in (144.6 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
It resists mild acids, refrigerants and ammonia, and sunlight and salt spray. That behavior comes from the compound itself: 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.
You will find this material specified across transit and rail, marine equipment, and general industrial.
Stocked as N70161 and sold individually. Unit weight is approximately 3.36 g and nominal inside diameter is listed as 5 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -161 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.103" (2.62MM) CS X 5.487" (139.37MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 5.487 inch (139.37 mm)
Actual_OD 5.693 inch (144.6 mm)
ProductCode Description O-Rings - Bulk - Commodity