4MM CS X 68MM ID BLACK BUNA 70D

Ordered as H4X68, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 68 mm (2.677 in), a cross section of 4 mm (0.157 in), and an outside diameter of 76 mm (2.99 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The material holds up against greases and lubricants, hydraulic fluids, and propane and butane. Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Maintenance and OEM teams specify it across construction equipment, agricultural equipment, and hydraulic and pneumatic systems.

Reference part number H4X68 when ordering; the item is sold individually. Unit weight is approximately 3.5454 g. Check the compound against your process media, pressure and temperature before committing to a design.