5.7MM CS X 104.6MM ID BLACK BUNA 90D

H90M5.7X104.6 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 104.6 mm (4.118 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 116 mm (4.57 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Supplementary detail from the product record: Metric O-RING, JIS P105.

Buna-N (Nitrile) is known for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to greases and lubricants, propane and butane, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or strong acids call for a different compound.

Maintenance and OEM teams specify it across general industrial maintenance, agricultural equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H90M5.7X104.6. Unit weight is approximately 12.273 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.