Ordered as H8X25, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 25 mm (0.984 in), a cross section of 8 mm (0.315 in), and an outside diameter of 41 mm (1.61 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The material holds up against petroleum-based oils, propane and butane, and hydraulic fluids. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving automotive brake fluid or ozone and direct sunlight call for a different compound.
Typical settings include construction equipment, automotive, and fluid power.
Stocked as H8X25 and sold individually. Unit weight is approximately 6.364 g. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 8MM CS X 25MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 41 mm (1.61 inch)
Actual_CS 8 mm (0.315 inch)
Actual_ID 25 mm (0.984 inch)
ProductCode Description O-Rings - Metric - Commodity