3MM CS X 49MM ID BLACK BUNA 90D

Part number H90M3X49 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 49 mm (1.929 in), a cross section of 3 mm (0.118 in), and an outside diameter of 55 mm (2.17 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

The compound resists petroleum-based oils, greases and lubricants, and many alcohols. Buna-N (Nitrile) is known for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or strong acids are present.

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

Order part number H90M3X49, sold individually. Unit weight is approximately 1.6375 g. Review your operating media and conditions against this specification before installation.