-356 BLACK BUNA 90D O-RING

Ordered as H90356, this is an AS568-356 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 5.35 in (135.89 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.77 in (146.56 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to water, greases and lubricants, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in general industrial maintenance, construction equipment, and agricultural equipment.

H90356 ships individually. Unit weight is approximately 14.029 g and nominal inside diameter is listed as 5 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.