4.5MM CS X 98MM ID BLACK BUNA 70D

Ordered as H4.5X98, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 98 mm (3.858 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 107 mm (4.21 in). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to hydraulic fluids, greases and lubricants, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.

Typical settings include construction equipment, general industrial maintenance, and hydraulic and pneumatic systems.

Stocked as H4.5X98 and sold individually. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.