-386 BLACK BUNA 70D O-RING

Part number H70MD386 is an AS568-386 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 16.955 in (430.66 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 17.375 in (441.33 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to greases and lubricants, propane and butane, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving automotive brake fluid or ketones call for a different compound.

The compound is metal detectable for HACCP and foreign-body control programs. It sees regular use in hydraulic and pneumatic systems, construction equipment, and fluid power.

Stocked as H70MD386 and sold individually. Nominal inside diameter is listed as 17 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.