5MM CS X 121MM ID BLACK BUNA 90D

Ordered as H90M5X121, this is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 121 mm (4.764 in), a cross section of 5 mm (0.197 in), and an outside diameter of 131 mm (5.16 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Expect good resistance to greases and lubricants, propane and butane, and water. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.

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

Order part number H90M5X121, sold individually. Unit weight is approximately 10.115 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.