3.5MM CS X 120MM ID BLACK BUNA 70D

H3.5X120 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 120 mm (4.724 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 127 mm (5 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, reliable performance in both static and dynamic service. It resists water, hydraulic fluids, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or ozone and direct sunlight.

Common environments for this compound include agricultural equipment, construction equipment, and hydraulic and pneumatic systems.

Order part number H3.5X120, sold individually. Unit weight is approximately 4.591 g. Check the compound against your process media, pressure and temperature before committing to a design.