3MM CS X 44MM ID BLACK BUNA 70D

APG stocks the H3X44, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 44 mm (1.732 in), a cross section of 3 mm (0.118 in), and an outside diameter of 50 mm (1.97 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified for strong abrasion and tear resistance, reliable performance in both static and dynamic service. It resists propane and butane, petroleum-based oils, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

Maintenance and OEM teams specify it across fluid power, hydraulic and pneumatic systems, and automotive.

Reference part number H3X44 when ordering; the item is sold individually. Unit weight is approximately 1.3188 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.