-224 BLACK BUNA 70D O-RING

The H70MD224 is an AS568-224 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.734 in (44.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.012 in (51.1 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Expect good resistance to propane and butane, greases and lubricants, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ketones.

The compound is metal detectable for HACCP and foreign-body control programs. Typical settings include construction equipment, general industrial maintenance, and agricultural equipment.

This item is sold individually under part number H70MD224. Nominal inside diameter is listed as 1 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.