3MM CS X 40MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 40 mm (1.575 in), a cross section of 3 mm (0.118 in), and an outside diameter of 46 mm (1.81 in), catalogued under part number H3X40. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, hydraulic fluids, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.

Maintenance and OEM teams specify it across construction equipment, hydraulic and pneumatic systems, and agricultural equipment.

Stocked as H3X40 and sold individually. Unit weight is approximately 1.3674 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.