Ordered as N70261, this is an AS568-261 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Neoprene (Chloroprene) is specified here for balanced combination of oil and weather resistance, good resilience across a moderate temperature band. Expect good resistance to ozone and weathering, sunlight and salt spray, and refrigerants and ammonia. 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 aromatic hydrocarbons or strong oxidizing acids.
Maintenance and OEM teams specify it across marine equipment, general industrial, and HVAC and refrigeration.
Stocked as N70261 and sold individually. Unit weight is approximately 7.5222 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -261 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.139" (3.53MM) CS X 6.734" (171.04MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 6.734 inch (171.04 mm)
Actual_OD 7.012 inch (178.1 mm)
ProductCode Description O-Rings - Bulk - Commodity