-343 BLACK BUNA 50D O-RING

H50343 is an AS568-343 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 3.725 in (94.62 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.145 in (105.28 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

It resists water, petroleum-based oils, and greases and lubricants. 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).

Common environments for this compound include hydraulic and pneumatic systems, automotive, and fluid power.

This item is sold individually under part number H50343. Nominal inside diameter is listed as 3 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.