Part number H2.4X19.8 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 19.8 mm (0.78 in), a cross section of 2.4 mm (0.094 in), and an outside diameter of 24.6 mm (0.97 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: Metric O-RING, JIS P20.
As a material, Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. Expect good resistance to water, greases and lubricants, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across hydraulic and pneumatic systems, construction equipment, and automotive.
This item is sold individually under part number H2.4X19.8. Check the compound against your process media, pressure and temperature before committing to a design. 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 2.4MM CS X 19.8MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P20
Actual_OD 24.6 mm (0.97 inch)
Actual_CS 2.4 mm (0.094 inch)
Actual_ID 19.8 mm (0.78 inch)
ProductCode Description O-Rings - Metric - Commodity