3.5MM CS X 23MM ID BLACK BUNA 70D

H3.5X23 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 23 mm (0.906 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 30 mm (1.18 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to petroleum-based oils, many alcohols, and water. That behavior comes from the compound itself: Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across agricultural equipment, construction equipment, and fluid power.

Order part number H3.5X23, sold individually. Unit weight is approximately 0.9872 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.