4MM CS X 112MM ID BLACK BUNA 90D

Part number H90M4X112 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 112 mm (4.409 in), a cross section of 4 mm (0.157 in), and an outside diameter of 120 mm (4.72 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) delivers strong abrasion and tear resistance, low compression set under sustained load. The material holds up against many alcohols, hydraulic fluids, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or polar solvents are present.

It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and construction equipment.

Order part number H90M4X112, sold individually. Unit weight is approximately 6.4286 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.