-120 BLACK BUNA 70D O-RING

The H70MD120 is an AS568-120 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 0.987 in (25.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.193 in (30.3 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, economical choice for high-volume maintenance programs. Expect good resistance to petroleum-based oils, propane and butane, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ketones.

This o-ring is metal detectable for HACCP and foreign-body control programs. It sees regular use in agricultural equipment, fluid power, and construction equipment.

This item is sold individually under part number H70MD120. Nominal inside diameter is listed as 1 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.