H70232 is an AS568-232 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.734 in (69.44 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.012 in (76.5 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The compound resists petroleum-based oils, propane and butane, and hydraulic fluids. Buna-N (Nitrile) is widely chosen for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or ozone and direct sunlight.
Common environments for this compound include general industrial maintenance, hydraulic and pneumatic systems, and fluid power.
Stocked as H70232 and sold individually. Unit weight is approximately 2.7446 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 -232 BLACK BUNA 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 2.734 inch (69.44 mm)
Actual Outside Diameter 3.012 inch (76.5 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity