3MM CS X 34.5MM ID BLACK BUNA 70D

APG stocks the H3X34.5, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 34.5 mm (1.358 in), a cross section of 3 mm (0.118 in), and an outside diameter of 40.5 mm (1.59 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, economical choice for high-volume maintenance programs. The compound resists hydraulic fluids, water, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or ozone and direct sunlight.

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and automotive.

Order part number H3X34.5, sold individually. Unit weight is approximately 1.055 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.