3MM CS X 134MM ID BLACK BUNA 70D

H3X134 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 134 mm (5.276 in), a cross section of 3 mm (0.118 in), and an outside diameter of 140 mm (5.51 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, petroleum-based oils, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or automotive brake fluid will shorten service life.

You will find this material specified across hydraulic and pneumatic systems, fluid power, and general industrial maintenance.

Order part number H3X134, sold individually. Unit weight is approximately 3.715 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.