3.6MM CS X 43.4MM ID BLACK BUNA 70D

Ordered as H3.6X43.4, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 43.4 mm (1.709 in), a cross section of 3.6 mm (0.142 in), and an outside diameter of 50.6 mm (1.99 in). The o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to water, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ketones or polar solvents.

It sees regular use in construction equipment, fluid power, and agricultural equipment.

Reference part number H3.6X43.4 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.