The H1.25X16 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 16 mm (0.63 in), a cross section of 1.25 mm (0.049 in), and an outside diameter of 18.5 mm (0.73 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. This material stands up to many alcohols, hydraulic fluids, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.
You will find this material specified across automotive, construction equipment, and hydraulic and pneumatic systems.
Order part number H1.25X16, 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.
Description 1.25MM CS X 16MM ID BLACK BUNA 70D
Actual Outside Diameter 18.5 mm (0.73 inch)
Actual Cross Section 1.25 mm (0.049 inch)
Actual Inside Diameter 16 mm (0.63 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity