3.5MM CS X 122MM ID BLACK BUNA 70D

The H3.5X122 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 122 mm (4.803 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 129 mm (5.08 in). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for strong abrasion and tear resistance, reliable performance in both static and dynamic service. The material holds up against many alcohols, petroleum-based oils, and propane and butane. 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 ketones.

You will find this material specified across construction equipment, agricultural equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H3.5X122. Unit weight is approximately 4.632 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.