Ordered as H90M2.5X25, this is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 25 mm (0.984 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 30 mm (1.18 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
It resists propane and butane, petroleum-based oils, and greases and lubricants. Buna-N (Nitrile) is valued for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving ozone and direct sunlight or strong acids call for a different compound.
Common environments for this compound include automotive, general industrial maintenance, and hydraulic and pneumatic systems.
Stocked as H90M2.5X25 and sold individually. Unit weight is approximately 0.567 g. Check the compound against your process media, pressure and temperature before committing to a design.
Description 2.5MM CS X 25MM ID BLACK BUNA 90D
Actual Outside Diameter 30 mm (1.18 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 25 mm (0.984 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity