3.5MM CS X 25.2MM ID BLACK BUNA 90D

Ordered as H90M3.5X25.2, this is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 25.2 mm (0.992 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 32.2 mm (1.27 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as Metric O-RING, JIS P25.5.

As a material, Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The compound resists greases and lubricants, hydraulic fluids, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or ozone and direct sunlight.

It sees regular use in fluid power, hydraulic and pneumatic systems, and agricultural equipment.

Order part number H90M3.5X25.2, sold individually. 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.