3MM CS X 71MM ID BLACK BUNA 70D

H3X71 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 71 mm (2.795 in), a cross section of 3 mm (0.118 in), and an outside diameter of 77 mm (3.03 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The compound resists many alcohols, propane and butane, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

Common environments for this compound include hydraulic and pneumatic systems, automotive, and fluid power.

Order part number H3X71, sold individually. Unit weight is approximately 2.035 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.