-171 BLACK BUNA 50D O-RING

This o-ring is supplied in AS568-171 black Buna-N (Nitrile) 50 Shore A supplied with an inside diameter of 7.987 in (202.87 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.193 in (208.1 mm), catalogued under part number H50171. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Expect good resistance to petroleum-based oils, hydraulic fluids, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to ozone and direct sunlight or ketones will shorten service life.

Common environments for this compound include automotive, agricultural equipment, and fluid power.

Reference part number H50171 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.