-448 BLACK BUNA 50D O-RING

Ordered as H50448, this is an AS568-448 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 9.475 in (240.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.025 in (254.64 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Expect good resistance to propane and butane, water, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across agricultural equipment, hydraulic and pneumatic systems, and automotive.

H50448 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.