3MM CS X 190MM ID BLACK BUNA 70D

H3X190 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 190 mm (7.48 in), a cross section of 3 mm (0.118 in), and an outside diameter of 196 mm (7.72 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Expect good resistance to water, greases and lubricants, and many alcohols. That behavior comes from the compound itself: Buna-N (Nitrile) offers strong abrasion and tear resistance, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

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

Order part number H3X190, sold individually. Unit weight is approximately 5.234 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.