This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 41 mm (1.614 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 46 mm (1.81 in), catalogued under part number H2.5X41. It compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. Expect good resistance to greases and lubricants, petroleum-based oils, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ozone and direct sunlight are present.
You will find this material specified across agricultural equipment, construction equipment, and hydraulic and pneumatic systems.
H2.5X41 ships individually. Unit weight is approximately 0.833 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 2.5MM CS X 41MM ID BLACK BUNA 70D
Actual Outside Diameter 46 mm (1.81 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 41 mm (1.614 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity