3MM CS X 122MM ID BLACK BUNA 90D

Part number H90M3X122 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 122 mm (4.803 in), a cross section of 3 mm (0.118 in), and an outside diameter of 128 mm (5.04 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. It resists many alcohols, greases and lubricants, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.

It sees regular use in construction equipment, fluid power, and automotive.

Order part number H90M3X122, sold individually. Unit weight is approximately 3.64 g. 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.