3.5MM CS X 73MM ID BLACK BUNA 70D

Ordered as H3.5X73, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 73 mm (2.874 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 80 mm (3.15 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The material holds up against hydraulic fluids, petroleum-based oils, and greases and lubricants. Buna-N (Nitrile) is known for strong abrasion and tear resistance, low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ketones.

You will find this material specified across automotive, hydraulic and pneumatic systems, and fluid power.

Reference part number H3.5X73 when ordering; the item is sold individually. Unit weight is approximately 2.824 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.